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42042278280 = 23351133100463
BaseRepresentation
bin100111001001111010…
…100100000110001000
311000111222222000121210
4213021322210012020
51142100310401110
631151451533120
73015563316612
oct471172440610
9130458860553
1042042278280
1116914851a32
128193a5a1a0
133c70210452
14206b90ddb2
151160e4b520
hex9c9ea4188

42042278280 has 64 divisors (see below), whose sum is σ = 127243042560. Its totient is φ = 11112055808.

The previous prime is 42042278279. The next prime is 42042278303. The reversal of 42042278280 is 8287224024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1536672 + ... + 1563791.

It is an arithmetic number, because the mean of its divisors is an integer number (1988172540).

Almost surely, 242042278280 is an apocalyptic number.

42042278280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42042278280 is an abundant number, since it is smaller than the sum of its proper divisors (85200764280).

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

42042278280 is a wasteful number, since it uses less digits than its factorization.

42042278280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100590 (or 3100586 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 39.

The spelling of 42042278280 in words is "forty-two billion, forty-two million, two hundred seventy-eight thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 113 120 226 339 452 565 678 904 1130 1356 1695 2260 2712 3390 4520 6780 13560 3100463 6200926 9301389 12401852 15502315 18602778 24803704 31004630 37205556 46506945 62009260 74411112 93013890 124018520 186027780 350352319 372055560 700704638 1051056957 1401409276 1751761595 2102113914 2802818552 3503523190 4204227828 5255284785 7007046380 8408455656 10510569570 14014092760 21021139140 42042278280