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11670731660 = 2257372253037
BaseRepresentation
bin10101101111010000…
…10011101110001100
31010010100112121002202
422313220103232030
5142400201403120
65210024141032
7562132403510
oct126750235614
933110477082
1011670731660
114a49907485
122318607778
13113cb89aa3
147c9dca140
154848ce875
hex2b7a13b8c

11670731660 has 48 divisors (see below), whose sum is σ = 28766789184. Its totient is φ = 3893246208.

The previous prime is 11670731651. The next prime is 11670731663. The reversal of 11670731660 is 6613707611.

It is not an unprimeable number, because it can be changed into a prime (11670731663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121339 + ... + 1131698.

It is an arithmetic number, because the mean of its divisors is an integer number (599308108).

Almost surely, 211670731660 is an apocalyptic number.

11670731660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11670731660 is an abundant number, since it is smaller than the sum of its proper divisors (17096057524).

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

11670731660 is a wasteful number, since it uses less digits than its factorization.

11670731660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253090 (or 2253088 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The spelling of 11670731660 in words is "eleven billion, six hundred seventy million, seven hundred thirty-one thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 37 70 74 140 148 185 259 370 518 740 1036 1295 2590 5180 2253037 4506074 9012148 11265185 15771259 22530370 31542518 45060740 63085036 78856295 83362369 157712590 166724738 315425180 333449476 416811845 583536583 833623690 1167073166 1667247380 2334146332 2917682915 5835365830 11670731660