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68032412928 = 2832191554103
BaseRepresentation
bin111111010111000011…
…000011110100000000
320111121021222122211100
4333113003003310000
52103312244203203
651130442414400
74625622653124
oct772703036400
9214537878740
1068032412928
1126941583857
1211227b01400
13655290b64c
143415597584
151b82a01ea3
hexfd70c3d00

68032412928 has 108 divisors (see below), whose sum is σ = 206478257440. Its totient is φ = 21483906048.

The previous prime is 68032412927. The next prime is 68032412933. The reversal of 68032412928 is 82921423086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68032412927) 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 11 ways as a sum of consecutive naturals, for example, 733276 + ... + 820827.

Almost surely, 268032412928 is an apocalyptic number.

It is an amenable number.

68032412928 is an abundant number, since it is smaller than the sum of its proper divisors (138445844512).

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

68032412928 is a wasteful number, since it uses less digits than its factorization.

68032412928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554144 (or 1554127 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 68032412928 in words is "sixty-eight billion, thirty-two million, four hundred twelve thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 128 144 152 171 192 228 256 288 304 342 384 456 576 608 684 768 912 1152 1216 1368 1824 2304 2432 2736 3648 4864 5472 7296 10944 14592 21888 43776 1554103 3108206 4662309 6216412 9324618 12432824 13986927 18649236 24865648 27973854 29527957 37298472 49731296 55947708 59055914 74596944 88583871 99462592 111895416 118111828 149193888 177167742 198925184 223790832 236223656 265751613 298387776 354335484 397850368 447581664 472447312 531503226 596775552 708670968 895163328 944894624 1063006452 1193551104 1417341936 1790326656 1889789248 2126012904 2834683872 3580653312 3779578496 4252025808 5669367744 7559156992 8504051616 11338735488 17008103232 22677470976 34016206464 68032412928