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31115325456066 = 2319272941451369
BaseRepresentation
bin1110001001100100110011…
…11010111011111011000010
311002011121002112022100200210
413010302121322323323002
513034243141304043231
6150102103322254550
76361002525344535
oct704623172737302
9132147075270623
1031115325456066
119a06a32055015
1235a6437657456
131449216305007
14797dbdd96a1c
1538e5aae2aa46
hex1c4c99ebbec2

31115325456066 has 16 divisors (see below), whose sum is σ = 65505948328800. Its totient is φ = 9825892249248.

The previous prime is 31115325456053. The next prime is 31115325456067. The reversal of 31115325456066 is 66065452351113.

It is not an unprimeable number, because it can be changed into a prime (31115325456067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136470725571 + ... + 136470725798.

It is an arithmetic number, because the mean of its divisors is an integer number (4094121770550).

Almost surely, 231115325456066 is an apocalyptic number.

31115325456066 is an abundant number, since it is smaller than the sum of its proper divisors (34390622872734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31115325456066 is a wasteful number, since it uses less digits than its factorization.

31115325456066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272941451393.

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 31115325456066 in words is "thirty-one trillion, one hundred fifteen billion, three hundred twenty-five million, four hundred fifty-six thousand, sixty-six".

Divisors: 1 2 3 6 19 38 57 114 272941451369 545882902738 818824354107 1637648708214 5185887576011 10371775152022 15557662728033 31115325456066