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10571989998 = 2313921160077
BaseRepresentation
bin10011101100010001…
…11100001111101110
31000021210001201220010
421312020330033232
5133122412134443
64505014234050
7522661301163
oct116610741756
930253051803
1010571989998
114535681619
122070655926
13cc6359aab
147240d806a
1541d1e6733
hex27623c3ee

10571989998 has 32 divisors (see below), whose sum is σ = 21397380480. Its totient is φ = 3482004960.

The previous prime is 10571989969. The next prime is 10571989999. The reversal of 10571989998 is 89998917501.

It is a super-2 number, since 2×105719899982 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10571989999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145936 + ... + 206012.

It is an arithmetic number, because the mean of its divisors is an integer number (668668140).

Almost surely, 210571989998 is an apocalyptic number.

10571989998 is an abundant number, since it is smaller than the sum of its proper divisors (10825390482).

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

10571989998 is a wasteful number, since it uses less digits than its factorization.

10571989998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60432.

The product of its (nonzero) digits is 14696640, while the sum is 66.

The spelling of 10571989998 in words is "ten billion, five hundred seventy-one million, nine hundred eighty-nine thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 139 211 278 417 422 633 834 1266 29329 58658 60077 87987 120154 175974 180231 360462 8350703 12676247 16701406 25052109 25352494 38028741 50104218 76057482 1761998333 3523996666 5285994999 10571989998