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42038740054 = 21719299712311
BaseRepresentation
bin100111001001101101…
…000100010001010110
311000111202022021002101
4213021231010101112
51142043404140204
631151244032314
73015521252233
oct471155042126
9130452267071
1042038740054
1116912855683
12819283269a
133c6c571b1c
14206b26c78a
15116099cea4
hex9c9b44456

42038740054 has 64 divisors (see below), whose sum is σ = 72811353600. Its totient is φ = 18069004800.

The previous prime is 42038740033. The next prime is 42038740069. The reversal of 42038740054 is 45004783024.

It is a junction number, because it is equal to n+sod(n) for n = 42038739995 and 42038740022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18189559 + ... + 18191869.

It is an arithmetic number, because the mean of its divisors is an integer number (1137677400).

Almost surely, 242038740054 is an apocalyptic number.

42038740054 is a deficient number, since it is larger than the sum of its proper divisors (30772613546).

42038740054 is a wasteful number, since it uses less digits than its factorization.

42038740054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349.

The product of its (nonzero) digits is 107520, while the sum is 37.

The spelling of 42038740054 in words is "forty-two billion, thirty-eight million, seven hundred forty thousand, fifty-four".

Divisors: 1 2 17 19 29 34 38 58 323 493 551 646 971 986 1102 1942 2311 4622 9367 16507 18449 18734 28159 33014 36898 39287 43909 56318 67019 78574 87818 134038 313633 478703 535021 627266 746453 957406 1070042 1139323 1273361 1492906 2243981 2278646 2546722 4487962 9095357 18190714 21647137 38147677 42635639 43294274 65075449 76295354 85271278 130150898 724805863 1106282633 1236433531 1449611726 2212565266 2472867062 21019370027 42038740054