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80300042472 = 233131973130447
BaseRepresentation
bin100101011001001000…
…0010110100011101000
321200021020200210220010
41022302100112203220
52303423302324342
6100520032331520
75541624045666
oct1126220264350
9250236623803
1080300042472
113106730a471
12136903a3ba0
137759349040
143c5a95dc36
15214e9da29c
hex12b24168e8

80300042472 has 64 divisors (see below), whose sum is σ = 216303655680. Its totient is φ = 24694993152.

The previous prime is 80300042447. The next prime is 80300042483. The reversal of 80300042472 is 27424000308.

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, 550353 + ... + 680799.

It is an arithmetic number, because the mean of its divisors is an integer number (3379744620).

Almost surely, 280300042472 is an apocalyptic number.

It is an amenable number.

80300042472 is an abundant number, since it is smaller than the sum of its proper divisors (136003613208).

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

80300042472 is a wasteful number, since it uses less digits than its factorization.

80300042472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132442 (or 132438 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The spelling of 80300042472 in words is "eighty billion, three hundred million, forty-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 1973 3946 5919 7892 11838 15784 23676 25649 47352 51298 76947 102596 130447 153894 205192 260894 307788 391341 521788 615576 782682 1043576 1565364 1695811 3130728 3391622 5087433 6783244 10174866 13566488 20349732 40699464 257371931 514743862 772115793 1029487724 1544231586 2058975448 3088463172 3345835103 6176926344 6691670206 10037505309 13383340412 20075010618 26766680824 40150021236 80300042472