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133820270870 = 25111393580609
BaseRepresentation
bin111110010100001001…
…1110100100100010110
3110210102011110010001112
41330220103310210112
54143030442131440
6141250504455022
712445122351206
oct1745023644426
9423364403045
10133820270870
1151831066190
1221b2817a472
13c8084b8740
1466969d6406
153733435965
hex1f284f4916

133820270870 has 32 divisors (see below), whose sum is σ = 282987764640. Its totient is φ = 44918691840.

The previous prime is 133820270833. The next prime is 133820270873. The reversal of 133820270870 is 78072028331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133820270873) 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, 46788875 + ... + 46791734.

It is an arithmetic number, because the mean of its divisors is an integer number (8843367645).

Almost surely, 2133820270870 is an apocalyptic number.

133820270870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133820270870 is an abundant number, since it is smaller than the sum of its proper divisors (149167493770).

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

133820270870 is a wasteful number, since it uses less digits than its factorization.

133820270870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93580640.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 133820270870 in words is "one hundred thirty-three billion, eight hundred twenty million, two hundred seventy thousand, eight hundred seventy".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 93580609 187161218 467903045 935806090 1029386699 1216547917 2058773398 2433095834 5146933495 6082739585 10293866990 12165479170 13382027087 26764054174 66910135435 133820270870