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231545430355034 = 2115772715177517
BaseRepresentation
bin110100101001011011011111…
…001000000010110001011010
31010100211112020011012002222002
4310221123133020002301122
5220322120020132330114
62140242300252401002
766525414421210205
oct6451333710026132
91110745204162862
10231545430355034
1167860958070954
1221b77080176162
139c27842c348c3
144126c040d293c
151bb806480d7de
hexd296df202c5a

231545430355034 has 4 divisors (see below), whose sum is σ = 347318145532554. Its totient is φ = 115772715177516.

The previous prime is 231545430354853. The next prime is 231545430355051. The reversal of 231545430355034 is 430553034545132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 210966822941809 + 20578607413225 = 14524697^2 + 4536365^2 .

It is a super-2 number, since 2×2315454303550342 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231545430355034.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57886357588757 + ... + 57886357588760.

Almost surely, 2231545430355034 is an apocalyptic number.

231545430355034 is a deficient number, since it is larger than the sum of its proper divisors (115772715177520).

231545430355034 is a wasteful number, since it uses less digits than its factorization.

231545430355034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115772715177519.

The product of its (nonzero) digits is 6480000, while the sum is 47.

The spelling of 231545430355034 in words is "two hundred thirty-one trillion, five hundred forty-five billion, four hundred thirty million, three hundred fifty-five thousand, thirty-four".

Divisors: 1 2 115772715177517 231545430355034