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271997056929 = 3132817165657
BaseRepresentation
bin1111110101010001001…
…0011011011110100001
3222000001221110010110110
43331110102123132201
513424022221310204
6324542000521533
725436224560033
oct3752422333641
9860057403413
10271997056929
11a539827a744
124486b3202a9
131c859420400
14d244027c53
15711e065889
hex3f5449b7a1

271997056929 has 24 divisors (see below), whose sum is σ = 392759852832. Its totient is φ = 167359770240.

The previous prime is 271997056927. The next prime is 271997056937. The reversal of 271997056929 is 929650799172.

It is not a de Polignac number, because 271997056929 - 21 = 271997056927 is a prime.

It is a super-2 number, since 2×2719970569292 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 271997056929.

It is not an unprimeable number, because it can be changed into a prime (271997056927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4109869 + ... + 4175525.

It is an arithmetic number, because the mean of its divisors is an integer number (16364993868).

Almost surely, 2271997056929 is an apocalyptic number.

It is an amenable number.

271997056929 is a deficient number, since it is larger than the sum of its proper divisors (120762795903).

271997056929 is a wasteful number, since it uses less digits than its factorization.

271997056929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73857 (or 73844 counting only the distinct ones).

The product of its (nonzero) digits is 38578680, while the sum is 66.

The spelling of 271997056929 in words is "two hundred seventy-one billion, nine hundred ninety-seven million, fifty-six thousand, nine hundred twenty-nine".

Divisors: 1 3 13 39 169 507 8171 24513 65657 106223 196971 318669 853541 1380899 2560623 4142697 11096033 33288099 536483347 1609450041 6974283511 20922850533 90665685643 271997056929