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331551424050013 = 37421190111196569
BaseRepresentation
bin100101101100010110101010…
…0110110101111001101011101
31121110221000011210200220001201
41023120231110312233031131
5321424114304024100023
63133052342125035501
7126556541240051026
oct11330552466571535
91543830153626051
10331551424050013
1196708195391852
1231228a790b5b91
131130021ba4980b
145bc3262d51c4d
15284e6303bcbad
hex12d8b54daf35d

331551424050013 has 16 divisors (see below), whose sum is σ = 341500669781040. Its totient is φ = 321655005504000.

The previous prime is 331551424049953. The next prime is 331551424050017. The reversal of 331551424050013 is 310050424155133.

It can be written as a sum of positive squares in 8 ways, for example, as 82223944978564 + 249327479071449 = 9067742^2 + 15790107^2 .

It is a cyclic number.

It is not a de Polignac number, because 331551424050013 - 217 = 331551423918941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331551424050017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24013593 + ... + 35210161.

It is an arithmetic number, because the mean of its divisors is an integer number (21343791861315).

Almost surely, 2331551424050013 is an apocalyptic number.

It is an amenable number.

331551424050013 is a deficient number, since it is larger than the sum of its proper divisors (9949245731027).

331551424050013 is a wasteful number, since it uses less digits than its factorization.

331551424050013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11198928.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 331551424050013 in words is "three hundred thirty-one trillion, five hundred fifty-one billion, four hundred twenty-four million, fifty thousand, thirteen".

Divisors: 1 37 421 1901 15577 70337 800321 11196569 29611877 414273053 4713755549 21284677669 174408955313 787533073753 8960849298649 331551424050013