Search a number
-
+
1011010100001 = 311171861968381
BaseRepresentation
bin11101011011001001110…
…01011101101100100001
310120122121000212110022120
432231210321131230201
5113031022041200001
62052241315054453
7133020526025646
oct16554471355441
93518530773276
101011010100001
1135a848931aa0
12143b352a1429
137445131b405
1436d0c7c5dcd
151b47314d236
hexeb64e5db21

1011010100001 has 32 divisors (see below), whose sum is σ = 1557901973376. Its totient is φ = 576379776000.

The previous prime is 1011010099999. The next prime is 1011010100003. The reversal of 1011010100001 is 1000010101101.

It is an interprime number because it is at equal distance from previous prime (1011010099999) and next prime (1011010100003).

It is not a de Polignac number, because 1011010100001 - 21 = 1011010099999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011010100003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559831 + ... + 1528211.

It is an arithmetic number, because the mean of its divisors is an integer number (48684436668).

Almost surely, 21011010100001 is an apocalyptic number.

1011010100001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1011010100001 is a deficient number, since it is larger than the sum of its proper divisors (546891873375).

1011010100001 is a wasteful number, since it uses less digits than its factorization.

1011010100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970273.

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 1011010100001 its reverse (1000010101101), we get a palindrome (2011020201102).

The spelling of 1011010100001 in words is "one trillion, eleven billion, ten million, one hundred thousand, one".

Divisors: 1 3 11 17 33 51 187 561 1861 5583 20471 31637 61413 94911 348007 968381 1044021 2905143 10652191 16462477 31956573 49387431 181087247 543261741 1802157041 5406471123 19823727451 30636669697 59471182353 91910009091 337003366667 1011010100001