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38145996100 = 2252195312
BaseRepresentation
bin100011100001101011…
…011011010101000100
310122110110102101021101
4203201223123111010
51111110333333400
625305105025444
72520202421422
oct434153332504
9118413371241
1038145996100
11151a5469513
127487025284
13379bc34834
141bbc278112
15ed3d6256a
hex8e1adb544

38145996100 has 27 divisors (see below), whose sum is σ = 82781049981. Its totient is φ = 15257617200.

The previous prime is 38145996089. The next prime is 38145996101. The reversal of 38145996100 is 169954183.

The square root of 38145996100 is 195310.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13732558596 + 24413437504 = 117186^2 + 156248^2 .

It is a super-3 number, since 3×381459961003 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38145996101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1943335 + ... + 1962865.

Almost surely, 238145996100 is an apocalyptic number.

38145996100 is the 195310-th square number.

It is an amenable number.

38145996100 is an abundant number, since it is smaller than the sum of its proper divisors (44635053881).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38145996100 is an frugal number, since it uses more digits than its factorization.

38145996100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39076 (or 19538 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 38145996100 in words is "thirty-eight billion, one hundred forty-five million, nine hundred ninety-six thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 19531 39062 78124 97655 195310 390620 488275 976550 1953100 381459961 762919922 1525839844 1907299805 3814599610 7629199220 9536499025 19072998050 38145996100