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15216116072 = 2323973072777
BaseRepresentation
bin11100010101111001…
…11000000101101000
31110021102210210012112
432022330320011220
5222130311203242
610553514101452
71046032565303
oct161274700550
943242723175
1015216116072
1164a9112243
122b47a1a888
1315865569a1
14a44bddb3a
155e0ca3c82
hex38af38168

15216116072 has 64 divisors (see below), whose sum is σ = 30186414720. Its totient is φ = 7176204288.

The previous prime is 15216116059. The next prime is 15216116077. The reversal of 15216116072 is 27061161251.

It is not an unprimeable number, because it can be changed into a prime (15216116077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5477948 + ... + 5480724.

It is an arithmetic number, because the mean of its divisors is an integer number (471662730).

Almost surely, 215216116072 is an apocalyptic number.

It is an amenable number.

15216116072 is a deficient number, since it is larger than the sum of its proper divisors (14970298648).

15216116072 is a wasteful number, since it uses less digits than its factorization.

15216116072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210 (or 3206 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 15216116072 in words is "fifteen billion, two hundred sixteen million, one hundred sixteen thousand, seventy-two".

Divisors: 1 2 4 8 23 46 92 97 184 194 307 388 614 776 1228 2231 2456 2777 4462 5554 7061 8924 11108 14122 17848 22216 28244 29779 56488 59558 63871 119116 127742 238232 255484 269369 510968 538738 684917 852539 1077476 1369834 1705078 2154952 2739668 3410156 5479336 6195487 6820312 12390974 19608397 24781948 39216794 49563896 78433588 82696283 156867176 165392566 330785132 661570264 1902014509 3804029018 7608058036 15216116072