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135208545970 = 2543314438479
BaseRepresentation
bin111110111101100001…
…1101010111010110010
3110220222220201210110211
41331323003222322302
54203401341432340
6142040340214334
712524410451401
oct1757303527262
9426886653424
10135208545970
1152383776883
122225509a3aa
13c999cc04b4
146789135638
1537b52615ea
hex1f7b0eaeb2

135208545970 has 16 divisors (see below), whose sum is σ = 249035276160. Its totient is φ = 52825664304.

The previous prime is 135208545919. The next prime is 135208545971. The reversal of 135208545970 is 79545802531.

It is not an unprimeable number, because it can be changed into a prime (135208545971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157218810 + ... + 157219669.

It is an arithmetic number, because the mean of its divisors is an integer number (15564704760).

Almost surely, 2135208545970 is an apocalyptic number.

135208545970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135208545970 is a deficient number, since it is larger than the sum of its proper divisors (113826730190).

135208545970 is a wasteful number, since it uses less digits than its factorization.

135208545970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314438529.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 135208545970 in words is "one hundred thirty-five billion, two hundred eight million, five hundred forty-five thousand, nine hundred seventy".

Divisors: 1 2 5 10 43 86 215 430 314438479 628876958 1572192395 3144384790 13520854597 27041709194 67604272985 135208545970