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2135752768 = 26231450919
BaseRepresentation
bin111111101001101…
…0000000001000000
312111211210111000101
41333103100001000
513333223042033
6551532332144
7103632412312
oct17723200100
95454714011
102135752768
119a6638736
124b7314054
13280628446
141639157b2
15c777a97d
hex7f4d0040

2135752768 has 28 divisors (see below), whose sum is σ = 4422404160. Its totient is φ = 1021446272.

The previous prime is 2135752727. The next prime is 2135752799. The reversal of 2135752768 is 8672575312.

It is a super-2 number, since 2×21357527682 = 9122879772039323648, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723988 + ... + 726931.

Almost surely, 22135752768 is an apocalyptic number.

It is an amenable number.

2135752768 is an abundant number, since it is smaller than the sum of its proper divisors (2286651392).

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

2135752768 is a wasteful number, since it uses less digits than its factorization.

2135752768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450954 (or 1450944 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The square root of 2135752768 is about 46214.2052620187. The cubic root of 2135752768 is about 1287.8056494685.

The spelling of 2135752768 in words is "two billion, one hundred thirty-five million, seven hundred fifty-two thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 23 32 46 64 92 184 368 736 1472 1450919 2901838 5803676 11607352 23214704 33371137 46429408 66742274 92858816 133484548 266969096 533938192 1067876384 2135752768