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34257172131 = 357139715971
BaseRepresentation
bin11111111001111000…
…101111011010100011
310021102102220122200000
4133321320233122203
51030124314002011
623423150031043
72321632105260
oct377170573243
9107372818600
1034257172131
111358a30a506
1267807a8483
1332cc36a870
14192d9c4267
15d5774d356
hex7f9e2f6a3

34257172131 has 96 divisors (see below), whose sum is σ = 63812356608. Its totient is φ = 17882311680.

The previous prime is 34257172099. The next prime is 34257172211. The reversal of 34257172131 is 13127175243.

34257172131 is a `hidden beast` number, since 3 + 4 + 2 + 571 + 72 + 13 + 1 = 666.

It is not a de Polignac number, because 34257172131 - 25 = 34257172099 is a prime.

It is a super-2 number, since 2×342571721312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34257171131) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 2136976 + ... + 2152946.

It is an arithmetic number, because the mean of its divisors is an integer number (664712048).

Almost surely, 234257172131 is an apocalyptic number.

34257172131 is a deficient number, since it is larger than the sum of its proper divisors (29555184477).

34257172131 is a wasteful number, since it uses less digits than its factorization.

34257172131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16103 (or 16091 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The spelling of 34257172131 in words is "thirty-four billion, two hundred fifty-seven million, one hundred seventy-two thousand, one hundred thirty-one".

Divisors: 1 3 7 9 13 21 27 39 63 81 91 97 117 189 243 273 291 351 567 679 819 873 1053 1261 1701 2037 2457 2619 3159 3783 6111 7371 7857 8827 11349 15971 18333 22113 23571 26481 34047 47913 54999 79443 102141 111797 143739 164997 207623 238329 306423 335391 431217 622869 714987 1006173 1293651 1453361 1549187 1868607 2144961 3018519 3880953 4360083 4647561 5605821 9055557 10844309 13080249 13942683 16817463 20139431 27166671 32532927 39240747 41828049 50452389 60418293 97598781 117722241 125484147 140976017 181254879 292796343 353166723 376452441 422928051 543764637 878389029 1268784153 1631293911 2635167087 3806352459 4893881733 11419057377 34257172131