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97442963121 = 3731149681971
BaseRepresentation
bin101101011000000001…
…1011001111010110001
3100022111222010102002010
41122300003121322301
53044030344304441
6112433100513133
710016504343330
oct1326003317261
9308458112063
1097442963121
1138364015489
1216a7554b7a9
13925bb2cc7a
144a05603d17
1528049e4116
hex16b00d9eb1

97442963121 has 16 divisors (see below), whose sum is σ = 153274339328. Its totient is φ = 53885509200.

The previous prime is 97442963083. The next prime is 97442963141. The reversal of 97442963121 is 12136924479.

It is not a de Polignac number, because 97442963121 - 213 = 97442954929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97442963141) 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, 74840335 + ... + 74841636.

It is an arithmetic number, because the mean of its divisors is an integer number (9579646208).

Almost surely, 297442963121 is an apocalyptic number.

It is an amenable number.

97442963121 is a deficient number, since it is larger than the sum of its proper divisors (55831376207).

97442963121 is a wasteful number, since it uses less digits than its factorization.

97442963121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149682012.

The product of its digits is 653184, while the sum is 48.

The spelling of 97442963121 in words is "ninety-seven billion, four hundred forty-two million, nine hundred sixty-three thousand, one hundred twenty-one".

Divisors: 1 3 7 21 31 93 217 651 149681971 449045913 1047773797 3143321391 4640141101 13920423303 32480987707 97442963121