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42642440552 = 2317438387853
BaseRepresentation
bin100111101101101100…
…000000000101101000
311002001211021102111002
4213231230000011220
51144312431044202
631331211254132
73036501523055
oct475554000550
9132054242432
1042642440552
11170a2600808
128320a4a348
134037664b5a
1420c74da02c
15119899c302
hex9edb00168

42642440552 has 64 divisors (see below), whose sum is σ = 87671263680. Its totient is φ = 19363986432.

The previous prime is 42642440539. The next prime is 42642440567. The reversal of 42642440552 is 25504424624.

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, 441458 + ... + 529310.

It is an arithmetic number, because the mean of its divisors is an integer number (1369863495).

Almost surely, 242642440552 is an apocalyptic number.

It is an amenable number.

42642440552 is an abundant number, since it is smaller than the sum of its proper divisors (45028823128).

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

42642440552 is a wasteful number, since it uses less digits than its factorization.

42642440552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88002 (or 87998 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

The spelling of 42642440552 in words is "forty-two billion, six hundred forty-two million, four hundred forty thousand, five hundred fifty-two".

Divisors: 1 2 4 8 17 34 43 68 83 86 136 166 172 332 344 664 731 1411 1462 2822 2924 3569 5644 5848 7138 11288 14276 28552 60673 87853 121346 175706 242692 351412 485384 702824 1493501 2987002 3777679 5974004 7291799 7555358 11948008 14583598 15110716 29167196 30221432 58334392 64220543 123960583 128441086 247921166 256882172 313547357 495842332 513764344 627094714 991684664 1254189428 2508378856 5330305069 10660610138 21321220276 42642440552