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10126989855 = 325792107337
BaseRepresentation
bin10010110111001110…
…11001101000011111
3222010202201101110100
421123213121220133
5131220002133410
64352520312143
7505645664523
oct113347315037
928122641410
1010126989855
114327470404
121b67612653
13c550c0ab8
146c0d7bd83
153e40e48c0
hex25b9d9a1f

10126989855 has 72 divisors (see below), whose sum is σ = 17997859152. Its totient is φ = 5267179008.

The previous prime is 10126989853. The next prime is 10126989857. The reversal of 10126989855 is 55898962101.

It is an interprime number because it is at equal distance from previous prime (10126989853) and next prime (10126989857).

It is not a de Polignac number, because 10126989855 - 21 = 10126989853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10126989853) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 30050247 + ... + 30050583.

It is an arithmetic number, because the mean of its divisors is an integer number (249970266).

Almost surely, 210126989855 is an apocalyptic number.

10126989855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10126989855 is a deficient number, since it is larger than the sum of its proper divisors (7870869297).

10126989855 is a wasteful number, since it uses less digits than its factorization.

10126989855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 54.

The spelling of 10126989855 in words is "ten billion, one hundred twenty-six million, nine hundred eighty-nine thousand, eight hundred fifty-five".

Divisors: 1 3 5 9 15 45 79 107 237 321 337 395 535 711 963 1011 1185 1605 1685 3033 3555 4815 5055 6241 8453 15165 18723 25359 26623 31205 36059 42265 56169 76077 79869 93615 108177 126795 133115 180295 239607 280845 324531 380385 399345 540885 667787 1198035 1622655 2003361 2103217 2848661 3338935 6010083 6309651 8545983 10016805 10516085 14243305 18928953 25637949 30050415 31548255 42729915 94644765 128189745 225044219 675132657 1125221095 2025397971 3375663285 10126989855