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31034151552 = 273431187513
BaseRepresentation
bin11100111001110001…
…111001001010000000
32222002211020020121110
4130321301321022000
51002024220322202
622131253323320
72146024635645
oct347161711200
988084206543
1031034151552
1112185a73438
126021336540
132c076cbab1
141705925dcc
15c1980426c
hex739c79280

31034151552 has 64 divisors (see below), whose sum is σ = 82626168960. Its totient is φ = 10320660480.

The previous prime is 31034151541. The next prime is 31034151569. The reversal of 31034151552 is 25515143013.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71748 + ... + 259260.

It is an arithmetic number, because the mean of its divisors is an integer number (1291033890).

Almost surely, 231034151552 is an apocalyptic number.

31034151552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31034151552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41313084480).

31034151552 is an abundant number, since it is smaller than the sum of its proper divisors (51592017408).

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

31034151552 is a wasteful number, since it uses less digits than its factorization.

31034151552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187961 (or 187949 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 31034151552 its reverse (25515143013), we get a palindrome (56549294565).

The spelling of 31034151552 in words is "thirty-one billion, thirty-four million, one hundred fifty-one thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 431 862 1293 1724 2586 3448 5172 6896 10344 13792 20688 27584 41376 55168 82752 165504 187513 375026 562539 750052 1125078 1500104 2250156 3000208 4500312 6000416 9000624 12000832 18001248 24001664 36002496 72004992 80818103 161636206 242454309 323272412 484908618 646544824 969817236 1293089648 1939634472 2586179296 3879268944 5172358592 7758537888 10344717184 15517075776 31034151552