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631828032442 = 21379922893979
BaseRepresentation
bin10010011000110111110…
…00101010101110111010
32020101212011220121221121
421030123320222232322
540322440434014232
61202131403255454
763435200443345
oct11143370525672
92211764817847
10631828032442
11223a584a8442
12a2551b1a58a
1347772978bb9
142281b3c145c
151167e1dad97
hex931be2abba

631828032442 has 8 divisors (see below), whose sum is σ = 947810772000. Its totient is φ = 315891108444.

The previous prime is 631828032427. The next prime is 631828032461. The reversal of 631828032442 is 244230828136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11419392 + ... + 11474587.

It is an arithmetic number, because the mean of its divisors is an integer number (118476346500).

Almost surely, 2631828032442 is an apocalyptic number.

631828032442 is a deficient number, since it is larger than the sum of its proper divisors (315982739558).

631828032442 is a wasteful number, since it uses less digits than its factorization.

631828032442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22907780.

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 631828032442 in words is "six hundred thirty-one billion, eight hundred twenty-eight million, thirty-two thousand, four hundred forty-two".

Divisors: 1 2 13799 27598 22893979 45787958 315914016221 631828032442