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97981077673372 = 221723131478227083
BaseRepresentation
bin10110010001110011111111…
…010101000101010110011100
3110211220220021202202220000111
4112101303333111011112130
5100320310221341021442
6544215515150335404
726431620305414155
oct2621637725052634
9424826252686014
1097981077673372
11292465a5a92323
12aba54807ba564
13428976456b4ca
141a2a44924692c
15b4daa549bb17
hex591cff54559c

97981077673372 has 48 divisors (see below), whose sum is σ = 190892948666112. Its totient is φ = 43767342544640.

The previous prime is 97981077673361. The next prime is 97981077673421. The reversal of 97981077673372 is 27337677018979.

It is a congruent number.

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, 238908658 + ... + 239318425.

It is an arithmetic number, because the mean of its divisors is an integer number (3976936430544).

Almost surely, 297981077673372 is an apocalyptic number.

97981077673372 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

97981077673372 is a deficient number, since it is larger than the sum of its proper divisors (92911870992740).

97981077673372 is a wasteful number, since it uses less digits than its factorization.

97981077673372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478227258 (or 478227256 counting only the distinct ones).

The product of its (nonzero) digits is 1176221088, while the sum is 76.

The spelling of 97981077673372 in words is "ninety-seven trillion, nine hundred eighty-one billion, seventy-seven million, six hundred seventy-three thousand, three hundred seventy-two".

Divisors: 1 2 4 17 23 34 46 68 92 131 262 391 524 782 1564 2227 3013 4454 6026 8908 12052 51221 102442 204884 478227083 956454166 1912908332 8129860411 10999222909 16259720822 21998445818 32519441644 43996891636 62647747873 125295495746 186986789453 250590991492 373973578906 747947157812 1065011713841 1440898201079 2130023427682 2881796402158 4260046855364 5763592804316 24495269418343 48990538836686 97981077673372