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30163872270 = 2357220519641
BaseRepresentation
bin11100000101111010…
…000010101000001110
32212212011122110212110
4130011322002220032
5443233422403040
621505044244450
72115326453400
oct340572025016
985764573773
1030163872270
11118797a0764
125a199a0726
132ac931023c
141662104b70
15bb81e8980
hex705e82a0e

30163872270 has 48 divisors (see below), whose sum is σ = 84212610768. Its totient is φ = 6894599040.

The previous prime is 30163872269. The next prime is 30163872373. The reversal of 30163872270 is 7227836103.

It is a Curzon number.

It is a congruent number.

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, 10258351 + ... + 10261290.

It is an arithmetic number, because the mean of its divisors is an integer number (1754429391).

Almost surely, 230163872270 is an apocalyptic number.

30163872270 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30163872270 is an abundant number, since it is smaller than the sum of its proper divisors (54048738498).

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

30163872270 is a wasteful number, since it uses less digits than its factorization.

30163872270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20519665 (or 20519658 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 30163872270 in words is "thirty billion, one hundred sixty-three million, eight hundred seventy-two thousand, two hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 20519641 41039282 61558923 102598205 123117846 143637487 205196410 287274974 307794615 430912461 615589230 718187435 861824922 1005462409 1436374870 2010924818 2154562305 3016387227 4309124610 5027312045 6032774454 10054624090 15081936135 30163872270