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90421560382101 = 3132374820169539
BaseRepresentation
bin10100100011110011101000…
…111111001001001010010101
3102212011012212000022112112120
4110203303220333021022111
543322431323424211401
6520151031423410153
725021512362555544
oct2443635077111225
9385135760275476
1090421560382101
11268a1628606763
12a184379753959
133b5b941377800
1418485d94ac15b
15a6c113eb6836
hex523ce8fc9295

90421560382101 has 24 divisors (see below), whose sum is σ = 134077835924640. Its totient is φ = 54140144250816.

The previous prime is 90421560382079. The next prime is 90421560382159. The reversal of 90421560382101 is 10128306512409.

90421560382101 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 90421560382101 - 210 = 90421560381077 is a prime.

It is a super-2 number, since 2×904215603821012 (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90421560380101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2410066011 + ... + 2410103528.

It is an arithmetic number, because the mean of its divisors is an integer number (5586576496860).

Almost surely, 290421560382101 is an apocalyptic number.

It is an amenable number.

90421560382101 is a deficient number, since it is larger than the sum of its proper divisors (43656275542539).

90421560382101 is a wasteful number, since it uses less digits than its factorization.

90421560382101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820169605 (or 4820169592 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 90421560382101 in words is "ninety trillion, four hundred twenty-one billion, five hundred sixty million, three hundred eighty-two thousand, one hundred one".

Divisors: 1 3 13 37 39 111 169 481 507 1443 6253 18759 4820169539 14460508617 62662204007 178346272943 187986612021 535038818829 814608652091 2318501548259 2443825956273 6955504644777 30140520127367 90421560382101