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57421201550031 = 32112409331288163
BaseRepresentation
bin11010000111001011010100…
…10100100010101011001111
321112022102011021010221112200
431003211222110202223033
530011242110044100111
6322042534045532543
715044354621661504
oct1503455224425317
9245272137127480
1057421201550031
1117329216342100
126534744274153
132606a46c7c3c7
1410272b56dd4ab
156989cd218256
hex34396a522acf

57421201550031 has 36 divisors (see below), whose sum is σ = 91169660249304. Its totient is φ = 34799851009440.

The previous prime is 57421201550021. The next prime is 57421201550047. The reversal of 57421201550031 is 13005510212475.

57421201550031 is a `hidden beast` number, since 5 + 74 + 2 + 1 + 2 + 0 + 1 + 550 + 0 + 31 = 666.

57421201550031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57421201550031 - 210 = 57421201549007 is a prime.

It is a super-2 number, since 2×574212015500312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57421201550021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 43931956 + ... + 45220118.

Almost surely, 257421201550031 is an apocalyptic number.

57421201550031 is a deficient number, since it is larger than the sum of its proper divisors (33748458699273).

57421201550031 is a wasteful number, since it uses less digits than its factorization.

57421201550031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329124 (or 1329110 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 57421201550031 in words is "fifty-seven trillion, four hundred twenty-one billion, two hundred one million, five hundred fifty thousand, thirty-one".

Divisors: 1 3 9 11 33 99 121 363 1089 40933 122799 368397 450263 1288163 1350789 3864489 4052367 4952893 11593467 14169793 14858679 42509379 44576037 127528137 155867723 467603169 1402809507 52728376079 158185128237 474555384711 580012136869 1740036410607 5220109231821 6380133505559 19140400516677 57421201550031