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64027672046 = 21312731761169
BaseRepresentation
bin111011101000010110…
…001011110111101110
320010021012100202002222
4323220112023313232
52022112041001141
645225223115342
74424444142542
oct735026136756
9203235322088
1064027672046
1125176a51748
12104aa8a2b52
13606501a0a0
14315576ba22
1519eb14214b
hexee858bdee

64027672046 has 32 divisors (see below), whose sum is σ = 104574274560. Its totient is φ = 29225581056.

The previous prime is 64027672043. The next prime is 64027672057.

64027672046 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×640276720462 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64027671988 and 64027672006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64027672043) 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, 1016150 + ... + 1077318.

It is an arithmetic number, because the mean of its divisors is an integer number (3267946080).

Almost surely, 264027672046 is an apocalyptic number.

64027672046 is a deficient number, since it is larger than the sum of its proper divisors (40546602514).

64027672046 is a wasteful number, since it uses less digits than its factorization.

64027672046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61628.

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 64027672046 in words is "sixty-four billion, twenty-seven million, six hundred seventy-two thousand, forty-six".

Divisors: 1 2 13 26 127 254 317 634 1651 3302 4121 8242 40259 61169 80518 122338 523367 795197 1046734 1590394 7768463 15536926 19390573 38781146 100990019 201980038 252077449 504154898 2462602771 4925205542 32013836023 64027672046