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311540552015044 = 221142989164704159
BaseRepresentation
bin100011011010110000010111…
…1111011111001110011000100
31111212001222121201120210012011
41012311200233323321303010
5311313240022303440134
63022331430453304004
7122423030206200142
oct10665405773716304
91455058551523164
10311540552015044
11902a2673848a50
122ab36790635004
13104ab1c01c38c1
1456d0900c14592
152603d40d23264
hex11b582fef9cc4

311540552015044 has 24 divisors (see below), whose sum is σ = 594773074425600. Its totient is φ = 141606046882080.

The previous prime is 311540552015009. The next prime is 311540552015111. The reversal of 311540552015044 is 440510255045113.

It is a super-2 number, since 2×3115405520150442 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311540552014988 and 311540552015006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80460564 + ... + 84243595.

It is an arithmetic number, because the mean of its divisors is an integer number (24782211434400).

Almost surely, 2311540552015044 is an apocalyptic number.

It is an amenable number.

311540552015044 is a deficient number, since it is larger than the sum of its proper divisors (283232522410556).

311540552015044 is a wasteful number, since it uses less digits than its factorization.

311540552015044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164747163 (or 164747161 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 311540552015044 in words is "three hundred eleven trillion, five hundred forty billion, five hundred fifty-two million, fifteen thousand, forty-four".

Divisors: 1 2 4 11 22 44 42989 85978 171956 472879 945758 1891516 164704159 329408318 658816636 1811745749 3623491498 7246982996 7080467091251 14160934182502 28321868365004 77885138003761 155770276007522 311540552015044