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20145750070 = 252314387049
BaseRepresentation
bin10010110000110001…
…111100000000110110
31220222222210010202111
4102300301330000312
5312224303000240
613131013201234
71312142023135
oct226061740066
956888703674
1020145750070
1185a8829226
123aa293021a
131b90949294
14d917c591c
157cd95b1ea
hex4b0c7c036

20145750070 has 16 divisors (see below), whose sum is σ = 36264333600. Its totient is φ = 8057859264.

The previous prime is 20145750061. The next prime is 20145750109. The reversal of 20145750070 is 7005754102.

It is a congruent 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, 187906 + ... + 274954.

It is an arithmetic number, because the mean of its divisors is an integer number (2266520850).

Almost surely, 220145750070 is an apocalyptic number.

20145750070 is a deficient number, since it is larger than the sum of its proper divisors (16118583530).

20145750070 is a wasteful number, since it uses less digits than its factorization.

20145750070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110199.

The product of its (nonzero) digits is 9800, while the sum is 31.

The spelling of 20145750070 in words is "twenty billion, one hundred forty-five million, seven hundred fifty thousand, seventy".

Divisors: 1 2 5 10 23143 46286 87049 115715 174098 231430 435245 870490 2014575007 4029150014 10072875035 20145750070