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61102323425 = 52111326096551
BaseRepresentation
bin111000111001111110…
…110111011011100001
312211201022210122012202
4320321332313123201
52000114143322200
644023042502545
74262113115423
oct707176673341
9184638718182
1061102323425
1123a05739a60
12ba13064a55
1359b9c42580
142d59038813
1518c93e71d5
hexe39fb76e1

61102323425 has 48 divisors (see below), whose sum is σ = 89060549760. Its totient is φ = 40997760000.

The previous prime is 61102323391. The next prime is 61102323473. The reversal of 61102323425 is 52432320116.

It is a happy number.

It is not a de Polignac number, because 61102323425 - 214 = 61102307041 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9323900 + ... + 9330450.

It is an arithmetic number, because the mean of its divisors is an integer number (1855428120).

Almost surely, 261102323425 is an apocalyptic number.

61102323425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61102323425 is a deficient number, since it is larger than the sum of its proper divisors (27958226335).

61102323425 is a wasteful number, since it uses less digits than its factorization.

61102323425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9194 (or 9189 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 61102323425 in words is "sixty-one billion, one hundred two million, three hundred twenty-three thousand, four hundred twenty-five".

Divisors: 1 5 11 13 25 55 65 143 275 325 715 2609 3575 6551 13045 28699 32755 33917 65225 72061 85163 143495 163775 169585 360305 373087 425815 717475 847925 936793 1801525 1865435 2129075 4683965 9327175 17091559 23419825 85457795 188007149 222190267 427288975 940035745 1110951335 2444092937 4700178725 5554756675 12220464685 61102323425