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97869904895 = 5714931872929
BaseRepresentation
bin101101100100110000…
…0000011101111111111
3100100121201111022002102
41123021200003233333
53100414143424040
6112543311415315
710033210315460
oct1331140035777
9310551438072
1097869904895
1138563012124
1216b7452453b
1392c9415539
144a461bcd67
15282c22a515
hex16c9803bff

97869904895 has 16 divisors (see below), whose sum is σ = 134311556160. Its totient is φ = 67065805824.

The previous prime is 97869904879. The next prime is 97869904897. The reversal of 97869904895 is 59840996879.

It is a cyclic number.

It is not a de Polignac number, because 97869904895 - 24 = 97869904879 is a prime.

It is a super-2 number, since 2×978699048952 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97869904897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884210 + ... + 988719.

It is an arithmetic number, because the mean of its divisors is an integer number (8394472260).

Almost surely, 297869904895 is an apocalyptic number.

97869904895 is a deficient number, since it is larger than the sum of its proper divisors (36441651265).

97869904895 is a wasteful number, since it uses less digits than its factorization.

97869904895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874434.

The product of its (nonzero) digits is 352719360, while the sum is 74.

The spelling of 97869904895 in words is "ninety-seven billion, eight hundred sixty-nine million, nine hundred four thousand, eight hundred ninety-five".

Divisors: 1 5 7 35 1493 7465 10451 52255 1872929 9364645 13110503 65552515 2796282997 13981414985 19573980979 97869904895