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93431749151 = 1379661137633
BaseRepresentation
bin101011100000011110…
…1110101101000011111
322221011102022121221202
41113000331311220133
53012322011433101
6110531050350115
76515216523056
oct1270075655037
9287142277852
1093431749151
1136695872014
121613612b33b
138a6cab3290
1447449b139d
15266c7a636b
hex15c0f75a1f

93431749151 has 16 divisors (see below), whose sum is σ = 102047352960. Its totient is φ = 85023544320.

The previous prime is 93431749093. The next prime is 93431749157. The reversal of 93431749151 is 15194713439.

It is not a de Polignac number, because 93431749151 - 26 = 93431749087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 93431749096 and 93431749105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93431749157) 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, 610031 + ... + 747663.

It is an arithmetic number, because the mean of its divisors is an integer number (6377959560).

Almost surely, 293431749151 is an apocalyptic number.

93431749151 is a deficient number, since it is larger than the sum of its proper divisors (8615603809).

93431749151 is a wasteful number, since it uses less digits than its factorization.

93431749151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138386.

The product of its digits is 408240, while the sum is 47.

The spelling of 93431749151 in words is "ninety-three billion, four hundred thirty-one million, seven hundred forty-nine thousand, one hundred fifty-one".

Divisors: 1 13 79 661 1027 8593 52219 137633 678847 1789229 10873007 90975413 141349091 1182680369 7187057627 93431749151