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93031012123 = 7376713938569
BaseRepresentation
bin101011010100100010…
…1001001011100011011
322220010111021002002121
41112221011021130123
53011011414341443
6110423213242111
76502252361410
oct1265105113433
9286114232077
1093031012123
11364aa643395
1216043a93337
138a07a7438a
144707698107
1526474e94ed
hex15a914971b

93031012123 has 32 divisors (see below), whose sum is σ = 111624665600. Its totient is φ = 75875906304.

The previous prime is 93031012111. The next prime is 93031012127. The reversal of 93031012123 is 32121013039.

It is a cyclic number.

It is not a de Polignac number, because 93031012123 - 25 = 93031012091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (93031012127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2392783 + ... + 2431351.

It is an arithmetic number, because the mean of its divisors is an integer number (3488270800).

Almost surely, 293031012123 is an apocalyptic number.

93031012123 is a deficient number, since it is larger than the sum of its proper divisors (18593653477).

93031012123 is a wasteful number, since it uses less digits than its factorization.

93031012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38819.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 93031012123 in words is "ninety-three billion, thirty-one million, twelve thousand, one hundred twenty-three".

Divisors: 1 7 37 67 139 259 469 973 2479 5143 9313 17353 36001 38569 65191 269983 344581 1427053 2412067 2584123 5361091 9989371 18088861 37527637 95612551 198360367 359193097 669287857 1388522569 2514351679 13290144589 93031012123