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155163215760140 = 22572348187334087
BaseRepresentation
bin100011010001111011000000…
…010110111000101100001100
3202100101110101021211121110002
4203101323000112320230030
5130314143231213311030
61310000555224503432
744453113063451660
oct4321730026705414
9670343337747402
10155163215760140
1145492394222095
121549b80701ab78
136876aa0195c33
142a45d228048a0
1512e1240aa1245
hex8d1ec05b8b0c

155163215760140 has 48 divisors (see below), whose sum is σ = 388582662085632. Its totient is φ = 50885824794816.

The previous prime is 155163215760083. The next prime is 155163215760193. The reversal of 155163215760140 is 41067512361551.

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, 24093663824 + ... + 24093670263.

It is an arithmetic number, because the mean of its divisors is an integer number (8095472126784).

Almost surely, 2155163215760140 is an apocalyptic number.

155163215760140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155163215760140 is an abundant number, since it is smaller than the sum of its proper divisors (233419446325492).

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

155163215760140 is a wasteful number, since it uses less digits than its factorization.

155163215760140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48187334126 (or 48187334124 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 155163215760140 in words is "one hundred fifty-five trillion, one hundred sixty-three billion, two hundred fifteen million, seven hundred sixty thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 70 92 115 140 161 230 322 460 644 805 1610 3220 48187334087 96374668174 192749336348 240936670435 337311338609 481873340870 674622677218 963746681740 1108308684001 1349245354436 1686556693045 2216617368002 3373113386090 4433234736004 5541543420005 6746226772180 7758160788007 11083086840010 15516321576014 22166173680020 31032643152028 38790803940035 77581607880070 155163215760140