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13631023542 = 2315714470301
BaseRepresentation
bin11001011000111100…
…01110100110110110
31022011222011202000210
430230132032212312
5210404020223132
610132332050250
7661534534263
oct145436164666
938158152023
1013631023542
1158653a2814
122785003986
131393040406
149344aa26a
1554ba4bbcc
hex32c78e9b6

13631023542 has 16 divisors (see below), whose sum is σ = 27435692592. Its totient is φ = 4514733600.

The previous prime is 13631023507. The next prime is 13631023543. The reversal of 13631023542 is 24532013631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13631023543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7234209 + ... + 7236092.

It is an arithmetic number, because the mean of its divisors is an integer number (1714730787).

Almost surely, 213631023542 is an apocalyptic number.

13631023542 is an abundant number, since it is smaller than the sum of its proper divisors (13804669050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13631023542 is a wasteful number, since it uses less digits than its factorization.

13631023542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14470463.

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 13631023542 in words is "thirteen billion, six hundred thirty-one million, twenty-three thousand, five hundred forty-two".

Divisors: 1 2 3 6 157 314 471 942 14470301 28940602 43410903 86821806 2271837257 4543674514 6815511771 13631023542