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64006000160 = 2557128120051
BaseRepresentation
bin111011100111000011…
…100000111000100000
320010012200120200212112
4323213003200320200
52022041014001120
645223130414452
74424062011314
oct734703407040
9203180520775
1064006000160
112516579a2a3
12104a3591428
13606069c99b
143152929b44
1519e92b0bc5
hexee70e0e20

64006000160 has 96 divisors (see below), whose sum is σ = 153897335424. Its totient is φ = 25150720000.

The previous prime is 64006000159. The next prime is 64006000213. The reversal of 64006000160 is 6100060046.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3182135 + ... + 3202185.

It is an arithmetic number, because the mean of its divisors is an integer number (1603097244).

Almost surely, 264006000160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64006000160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76948667712).

64006000160 is an abundant number, since it is smaller than the sum of its proper divisors (89891335264).

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

64006000160 is a wasteful number, since it uses less digits than its factorization.

64006000160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20418 (or 20410 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 64006000160 in words is "sixty-four billion, six million, one hundred sixty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 32 40 71 80 142 160 281 284 355 562 568 710 1124 1136 1405 1420 2248 2272 2810 2840 4496 5620 5680 8992 11240 11360 19951 20051 22480 39902 40102 44960 79804 80204 99755 100255 159608 160408 199510 200510 319216 320816 399020 401020 638432 641632 798040 802040 1423621 1596080 1604080 2847242 3192160 3208160 5634331 5694484 7118105 11268662 11388968 14236210 22537324 22777936 28171655 28472420 45074648 45555872 56343310 56944840 90149296 112686620 113889680 180298592 225373240 227779360 400037501 450746480 800075002 901492960 1600150004 2000187505 3200300008 4000375010 6400600016 8000750020 12801200032 16001500040 32003000080 64006000160