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31553114592 = 2531011132507
BaseRepresentation
bin11101011000101101…
…100101000111100000
310000102222202022001210
4131120231211013200
51004110044131332
622254552430120
72164626022506
oct353055450740
9100388668053
1031553114592
1112421a0200a
1261470a8340
132c8b09330c
141754816676
15c4a165ecc
hex758b651e0

31553114592 has 48 divisors (see below), whose sum is σ = 82837665792. Its totient is φ = 10516341120.

The previous prime is 31553114591. The next prime is 31553114599. The reversal of 31553114592 is 29541135513.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 31553114592.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31553114591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954403 + ... + 986909.

It is an arithmetic number, because the mean of its divisors is an integer number (1725784704).

Almost surely, 231553114592 is an apocalyptic number.

31553114592 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31553114592 is an abundant number, since it is smaller than the sum of its proper divisors (51284551200).

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

31553114592 is a wasteful number, since it uses less digits than its factorization.

31553114592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42631 (or 42623 counting only the distinct ones).

The product of its digits is 81000, while the sum is 39.

The spelling of 31553114592 in words is "thirty-one billion, five hundred fifty-three million, one hundred fourteen thousand, five hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 10111 20222 30333 32507 40444 60666 65014 80888 97521 121332 130028 161776 195042 242664 260056 323552 390084 485328 520112 780168 970656 1040224 1560336 3120672 328678277 657356554 986034831 1314713108 1972069662 2629426216 3944139324 5258852432 7888278648 10517704864 15776557296 31553114592