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972970239140 = 225587216138351
BaseRepresentation
bin11100010100010011000…
…10111010010010100100
310110000101222011022012222
432022021202322102210
5111420120340123030
62022550520531512
7130203052401344
oct16121142722244
93400358138188
10972970239140
113456a8375559
12138699920b98
137099b397ac3
1435140698d24
151a4987a33e5
hexe2898ba4a4

972970239140 has 48 divisors (see below), whose sum is σ = 2047718824704. Its totient is φ = 388335168000.

The previous prime is 972970239139. The next prime is 972970239161. The reversal of 972970239140 is 41932079279.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25350965 + ... + 25389315.

It is an arithmetic number, because the mean of its divisors is an integer number (42660808848).

Almost surely, 2972970239140 is an apocalyptic number.

It is an amenable number.

972970239140 is an abundant number, since it is smaller than the sum of its proper divisors (1074748585564).

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

972970239140 is a wasteful number, since it uses less digits than its factorization.

972970239140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41108 (or 41106 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 972970239140 in words is "nine hundred seventy-two billion, nine hundred seventy million, two hundred thirty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 587 1174 2161 2348 2935 4322 5870 8644 10805 11740 21610 38351 43220 76702 153404 191755 383510 767020 1268507 2537014 5074028 6342535 12685070 22512037 25370140 45024074 82876511 90048148 112560185 165753022 225120370 331506044 414382555 450240740 828765110 1657530220 48648511957 97297023914 194594047828 243242559785 486485119570 972970239140