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97542143995 = 51091607111373
BaseRepresentation
bin101101011010111110…
…1101111111111111011
3100022202212202022122211
41122311331233333323
53044231242101440
6112451002355551
710022120354362
oct1326575577773
9308685668584
1097542143995
1138404aa754a
1216aa27bbbb7
13927654798a
144a148607d9
15280d585eea
hex16b5f6fffb

97542143995 has 16 divisors (see below), whose sum is σ = 118198998720. Its totient is φ = 77269002624.

The previous prime is 97542143939. The next prime is 97542144019. The reversal of 97542143995 is 59934124579.

It is a cyclic number.

It is not a de Polignac number, because 97542143995 - 221 = 97540046843 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820129 + ... + 931501.

It is an arithmetic number, because the mean of its divisors is an integer number (7387437420).

Almost surely, 297542143995 is an apocalyptic number.

97542143995 is a deficient number, since it is larger than the sum of its proper divisors (20656854725).

97542143995 is a wasteful number, since it uses less digits than its factorization.

97542143995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113094.

The product of its digits is 12247200, while the sum is 58.

The spelling of 97542143995 in words is "ninety-seven billion, five hundred forty-two million, one hundred forty-three thousand, nine hundred ninety-five".

Divisors: 1 5 109 545 1607 8035 111373 175163 556865 875815 12139657 60698285 178976411 894882055 19508428799 97542143995