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15452505012 = 22372323334327
BaseRepresentation
bin11100110010000101…
…01000001110110100
31110212220121120212110
432121002220032310
5223121320130022
611033200451020
71054633061010
oct163102501664
943786546773
1015452505012
11660a5997aa
122bb3019a70
1315c3511cb9
14a68375540
156068ea00c
hex3990a83b4

15452505012 has 96 divisors (see below), whose sum is σ = 43184074752. Its totient is φ = 4204797696.

The previous prime is 15452504987. The next prime is 15452505017. The reversal of 15452505012 is 21050525451.

It is a super-2 number, since 2×154525050122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15452505017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432993 + ... + 467319.

It is an arithmetic number, because the mean of its divisors is an integer number (449834112).

Almost surely, 215452505012 is an apocalyptic number.

15452505012 is a gapful number since it is divisible by the number (12) 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 15452505012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21592037376).

15452505012 is an abundant number, since it is smaller than the sum of its proper divisors (27731569740).

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

15452505012 is a wasteful number, since it uses less digits than its factorization.

15452505012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34597 (or 34595 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 15452505012 in words is "fifteen billion, four hundred fifty-two million, five hundred five thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 69 84 92 138 161 233 276 322 466 483 644 699 932 966 1398 1631 1932 2796 3262 4893 5359 6524 9786 10718 16077 19572 21436 32154 34327 37513 64308 68654 75026 102981 112539 137308 150052 205962 225078 240289 411924 450156 480578 720867 789521 961156 1441734 1579042 2368563 2883468 3158084 4737126 5526647 7998191 9474252 11053294 15996382 16579941 22106588 23994573 31992764 33159882 47989146 55987337 66319764 95978292 111974674 167962011 183958393 223949348 335924022 367916786 551875179 671848044 735833572 1103750358 1287708751 2207500716 2575417502 3863126253 5150835004 7726252506 15452505012