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7161897696 = 253193926479
BaseRepresentation
bin1101010101110000…
…11110001011100000
3200111010101002200020
412222320132023200
5104131421211241
63142400153440
7342323061132
oct65270361340
920433332606
107161897696
113045782818
12147a608880
138a1a0c3b5
144bd261052
152bdb48b66
hex1aae1e2e0

7161897696 has 48 divisors (see below), whose sum is σ = 19789459200. Its totient is φ = 2261651328.

The previous prime is 7161897689. The next prime is 7161897713. The reversal of 7161897696 is 6967981617.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1961416 + ... + 1965063.

It is an arithmetic number, because the mean of its divisors is an integer number (412280400).

Almost surely, 27161897696 is an apocalyptic number.

7161897696 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

7161897696 is an abundant number, since it is smaller than the sum of its proper divisors (12627561504).

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

7161897696 is a wasteful number, since it uses less digits than its factorization.

7161897696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926511 (or 3926503 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 60.

The square root of 7161897696 is about 84627.9959351514. The cubic root of 7161897696 is about 1927.5665049281.

The spelling of 7161897696 in words is "seven billion, one hundred sixty-one million, eight hundred ninety-seven thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 152 228 304 456 608 912 1824 3926479 7852958 11779437 15705916 23558874 31411832 47117748 62823664 74603101 94235496 125647328 149206202 188470992 223809303 298412404 376941984 447618606 596824808 895237212 1193649616 1790474424 2387299232 3580948848 7161897696