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311838364674 = 2348772194901
BaseRepresentation
bin1001000100110110000…
…00111101010000000010
31002210220112220021010000
410202123000331100002
520102121110132144
6355131230220430
731346434236144
oct4423300752002
91083815807100
10311838364674
11110282699961
125052a054716
132353864c515
14111434c6c94
1581a1b52769
hex489b03d402

311838364674 has 40 divisors (see below), whose sum is σ = 699545996028. Its totient is φ = 103827549600.

The previous prime is 311838364657. The next prime is 311838364703. The reversal of 311838364674 is 476463838113.

It is a happy number.

311838364674 is a `hidden beast` number, since 3 + 118 + 38 + 36 + 467 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 297196154649 + 14642210025 = 545157^2 + 121005^2 .

It is a super-2 number, since 2×3118383646742 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 311838364674.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 955377 + ... + 1239524.

Almost surely, 2311838364674 is an apocalyptic number.

311838364674 is an abundant number, since it is smaller than the sum of its proper divisors (387707631354).

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

311838364674 is a wasteful number, since it uses less digits than its factorization.

311838364674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195792 (or 2195783 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 311838364674 in words is "three hundred eleven billion, eight hundred thirty-eight million, three hundred sixty-four thousand, six hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 877 1754 2631 5262 7893 15786 23679 47358 71037 142074 2194901 4389802 6584703 13169406 19754109 39508218 59262327 118524654 177786981 355573962 1924928177 3849856354 5774784531 11549569062 17324353593 34648707186 51973060779 103946121558 155919182337 311838364674