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64651157416 = 2367919131249
BaseRepresentation
bin111100001101100000…
…100101111110101000
320011212122120002020201
4330031200211332220
52024401144014131
645411134401544
74446054525256
oct741540457650
9204778502221
1064651157416
112546699050a
12106436602b4
136134249641
1431b44a95d6
151a35c4d761
hexf0d825fa8

64651157416 has 32 divisors (see below), whose sum is σ = 123165000000. Its totient is φ = 31808215296.

The previous prime is 64651157413. The next prime is 64651157419. The reversal of 64651157416 is 61475115646.

64651157416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64651157413) and next prime (64651157419).

It is not an unprimeable number, because it can be changed into a prime (64651157413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426960 + ... + 558208.

It is an arithmetic number, because the mean of its divisors is an integer number (3848906250).

Almost surely, 264651157416 is an apocalyptic number.

It is an amenable number.

64651157416 is a deficient number, since it is larger than the sum of its proper divisors (58513842584).

64651157416 is a wasteful number, since it uses less digits than its factorization.

64651157416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132241 (or 132237 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The spelling of 64651157416 in words is "sixty-four billion, six hundred fifty-one million, one hundred fifty-seven thousand, four hundred sixteen".

Divisors: 1 2 4 8 67 134 268 536 919 1838 3676 7352 61573 123146 131249 246292 262498 492584 524996 1049992 8793683 17587366 35174732 70349464 120617831 241235662 482471324 964942648 8081394677 16162789354 32325578708 64651157416