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10627991940 = 2235177133199
BaseRepresentation
bin10011110010111101…
…00100100110000100
31000102200102221010010
421321132210212010
5133231231220230
64514334430220
7524241304146
oct117136444604
930380387103
1010627991940
114564251715
122087362370
131004b37037
1472b714c96
154230a99b0
hex2797a4984

10627991940 has 24 divisors (see below), whose sum is σ = 29758377600. Its totient is φ = 2834131168.

The previous prime is 10627991939. The next prime is 10627992013. The reversal of 10627991940 is 4919972601.

It is a super-2 number, since 2×106279919402 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10627991940.

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, 88566540 + ... + 88566659.

It is an arithmetic number, because the mean of its divisors is an integer number (1239932400).

Almost surely, 210627991940 is an apocalyptic number.

10627991940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10627991940 is an abundant number, since it is smaller than the sum of its proper divisors (19130385660).

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

10627991940 is a wasteful number, since it uses less digits than its factorization.

10627991940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177133211 (or 177133209 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 48.

The spelling of 10627991940 in words is "ten billion, six hundred twenty-seven million, nine hundred ninety-one thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 177133199 354266398 531399597 708532796 885665995 1062799194 1771331990 2125598388 2656997985 3542663980 5313995970 10627991940