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70380465480 = 233251315038561
BaseRepresentation
bin100000110001100000…
…0001010110101001000
320201122221021002101200
41001203000022311020
52123114344343410
652155441344200
75041044041313
oct1014300126510
9221587232350
1070380465480
1127936a35456
1211782338060
136838209660
14359937397a
151c6dc163c0
hex106300ad48

70380465480 has 96 divisors (see below), whose sum is σ = 246331645560. Its totient is φ = 17324421120.

The previous prime is 70380465461. The next prime is 70380465509. The reversal of 70380465480 is 8456408307.

70380465480 is a `hidden beast` number, since 70 + 3 + 80 + 465 + 48 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 55045605924 + 15334859556 = 234618^2 + 123834^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7514601 + ... + 7523960.

Almost surely, 270380465480 is an apocalyptic number.

It is an amenable number.

70380465480 is an abundant number, since it is smaller than the sum of its proper divisors (175951180080).

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

70380465480 is a wasteful number, since it uses less digits than its factorization.

70380465480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15038591 (or 15038584 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 70380465480 in words is "seventy billion, three hundred eighty million, four hundred sixty-five thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 36 39 40 45 52 60 65 72 78 90 104 117 120 130 156 180 195 234 260 312 360 390 468 520 585 780 936 1170 1560 2340 4680 15038561 30077122 45115683 60154244 75192805 90231366 120308488 135347049 150385610 180462732 195501293 225578415 270694098 300771220 360925464 391002586 451156830 541388196 586503879 601542440 676735245 782005172 902313660 977506465 1082776392 1173007758 1353470490 1564010344 1759511637 1804627320 1955012930 2346015516 2706940980 2932519395 3519023274 3910025860 4692031032 5413881960 5865038790 7038046548 7820051720 8797558185 11730077580 14076093096 17595116370 23460155160 35190232740 70380465480