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134637893487858 = 2340275572299209
BaseRepresentation
bin11110100111001111010011…
…110100001000110011110010
3122122201020221021211200021110
4132213033103310020303302
5120121401401213102413
61154203443331134150
740234160340664605
oct3647172364106362
9578636837750243
10134637893487858
1139999678964702
1213125886144356
135a183b6832687
14253671a28a33c
151087391ea68c3
hex7a73d3d08cf2

134637893487858 has 16 divisors (see below), whose sum is σ = 269342654614560. Its totient is φ = 44868153222816.

The previous prime is 134637893487791. The next prime is 134637893487943. The reversal of 134637893487858 is 858784398736431.

It is a happy 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, 2786125443 + ... + 2786173766.

It is an arithmetic number, because the mean of its divisors is an integer number (16833915913410).

Almost surely, 2134637893487858 is an apocalyptic number.

134637893487858 is an abundant number, since it is smaller than the sum of its proper divisors (134704761126702).

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

134637893487858 is a wasteful number, since it uses less digits than its factorization.

134637893487858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5572303241.

The product of its digits is 23410114560, while the sum is 84.

The spelling of 134637893487858 in words is "one hundred thirty-four trillion, six hundred thirty-seven billion, eight hundred ninety-three million, four hundred eighty-seven thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 4027 8054 12081 24162 5572299209 11144598418 16716897627 33433795254 22439648914643 44879297829286 67318946743929 134637893487858