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10520000155 = 57436368891
BaseRepresentation
bin10011100110000101…
…00111011010011011
31000011011020101020101
421303002213122123
5133021110001110
64455520040231
7521460345250
oct116302473233
930134211211
1010520000155
1145092a1905
122057163077
13cb8655a82
1471b243427
1541887713a
hex2730a769b

10520000155 has 16 divisors (see below), whose sum is σ = 14430945024. Its totient is φ = 7211956320.

The previous prime is 10520000147. The next prime is 10520000191. The reversal of 10520000155 is 55100002501.

It is not a de Polignac number, because 10520000155 - 23 = 10520000147 is a prime.

It is a super-2 number, since 2×105200001552 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118260 + ... + 187150.

It is an arithmetic number, because the mean of its divisors is an integer number (901934064).

Almost surely, 210520000155 is an apocalyptic number.

10520000155 is a deficient number, since it is larger than the sum of its proper divisors (3910944869).

10520000155 is an equidigital number, since it uses as much as digits as its factorization.

10520000155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73266.

The product of its (nonzero) digits is 250, while the sum is 19.

Adding to 10520000155 its reverse (55100002501), we get a palindrome (65620002656).

The spelling of 10520000155 in words is "ten billion, five hundred twenty million, one hundred fifty-five", and thus it is an aban number.

Divisors: 1 5 7 35 4363 21815 30541 68891 152705 344455 482237 2411185 300571433 1502857165 2104000031 10520000155