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42172040676 = 2234399182471
BaseRepresentation
bin100111010001101001…
…100100010111100100
311000212001010122011110
4213101221210113210
51142332020300201
631212405105020
73022030300623
oct472151442744
9130761118143
1042172040676
1116981021387
12820b3b8170
133c91074a2c
142080c4b6ba
15116c52e6d6
hex9d1a645e4

42172040676 has 48 divisors (see below), whose sum is σ = 100792659968. Its totient is φ = 13716410400.

The previous prime is 42172040627. The next prime is 42172040683. The reversal of 42172040676 is 67604027124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470121 + ... + 552591.

Almost surely, 242172040676 is an apocalyptic number.

It is an amenable number.

42172040676 is an abundant number, since it is smaller than the sum of its proper divisors (58620619292).

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

42172040676 is a wasteful number, since it uses less digits than its factorization.

42172040676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83512 (or 83510 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 42172040676 in words is "forty-two billion, one hundred seventy-two million, forty thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 991 1982 2973 3964 5946 11892 42613 82471 85226 127839 164942 170452 247413 255678 329884 494826 511356 989652 3546253 7092506 10638759 14185012 21277518 42555036 81728761 163457522 245186283 326915044 490372566 980745132 3514336723 7028673446 10543010169 14057346892 21086020338 42172040676