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70628679648 = 253429939611
BaseRepresentation
bin100000111000111001…
…1000001111111100000
320202022020022200020000
41001301303001333200
52124121420222043
652240225420000
75050146604632
oct1016163017740
9222266280200
1070628679648
1127a5405942a
121183149a600
136877775247
1435c0306a52
151c858e62d3
hex1071cc1fe0

70628679648 has 120 divisors (see below), whose sum is σ = 214879868280. Its totient is φ = 22731045120.

The previous prime is 70628679637. The next prime is 70628679661. The reversal of 70628679648 is 84697682607.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 394638 + ... + 544973.

It is an arithmetic number, because the mean of its divisors is an integer number (1790665569).

Almost surely, 270628679648 is an apocalyptic number.

It is an amenable number.

70628679648 is an abundant number, since it is smaller than the sum of its proper divisors (144251188632).

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

70628679648 is a wasteful number, since it uses less digits than its factorization.

70628679648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939662 (or 939645 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 70628679648 in words is "seventy billion, six hundred twenty-eight million, six hundred seventy-nine thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 54 58 72 81 87 96 108 116 144 162 174 216 232 261 288 324 348 432 464 522 648 696 783 864 928 1044 1296 1392 1566 2088 2349 2592 2784 3132 4176 4698 6264 8352 9396 12528 18792 25056 37584 75168 939611 1879222 2818833 3758444 5637666 7516888 8456499 11275332 15033776 16912998 22550664 25369497 27248719 30067552 33825996 45101328 50738994 54497438 67651992 76108491 81746157 90202656 101477988 108994876 135303984 152216982 163492314 202955976 217989752 245238471 270607968 304433964 326984628 405911952 435979504 490476942 608867928 653969256 735715413 811823904 871959008 980953884 1217735856 1307938512 1471430826 1961907768 2207146239 2435471712 2615877024 2942861652 3923815536 4414292478 5885723304 7847631072 8828584956 11771446608 17657169912 23542893216 35314339824 70628679648