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72376453120 = 21157068013
BaseRepresentation
bin100001101100111111…
…0010000100000000000
320220211001001202200211
41003121332100200000
52141211332444440
653125502323504
75141361462256
oct1033176204000
9226731052624
1072376453120
1128770691514
121203a889594
136a958aa62a
1437084a65d6
151d39084eea
hex10d9f90800

72376453120 has 48 divisors (see below), whose sum is σ = 173661103980. Its totient is φ = 28950577152.

The previous prime is 72376453099. The next prime is 72376453141. The reversal of 72376453120 is 2135467327.

It is an interprime number because it is at equal distance from previous prime (72376453099) and next prime (72376453141).

It can be written as a sum of positive squares in 2 ways, for example, as 69679105024 + 2697348096 = 263968^2 + 51936^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3523767 + ... + 3544246.

Almost surely, 272376453120 is an apocalyptic number.

It is an amenable number.

72376453120 is an abundant number, since it is smaller than the sum of its proper divisors (101284650860).

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

72376453120 is an equidigital number, since it uses as much as digits as its factorization.

72376453120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068040 (or 7068020 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 72376453120 in words is "seventy-two billion, three hundred seventy-six million, four hundred fifty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2048 2560 5120 10240 7068013 14136026 28272052 35340065 56544104 70680130 113088208 141360260 226176416 282720520 452352832 565441040 904705664 1130882080 1809411328 2261764160 3618822656 4523528320 7237645312 9047056640 14475290624 18094113280 36188226560 72376453120