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20075661370 = 254951405487
BaseRepresentation
bin10010101100100110…
…100100100000111010
31220211002220021010201
4102230212210200322
5312103332130440
613120031032414
71310331206662
oct225446444072
956732807121
1020075661370
118572207586
123a8336b70a
131b7c27928b
14d8637d1a2
157c771419a
hex4ac9a483a

20075661370 has 16 divisors (see below), whose sum is σ = 36143578368. Its totient is φ = 8028622800.

The previous prime is 20075661341. The next prime is 20075661401. The reversal of 20075661370 is 7316657002.

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, 153234 + ... + 252253.

It is an arithmetic number, because the mean of its divisors is an integer number (2258973648).

Almost surely, 220075661370 is an apocalyptic number.

20075661370 is a deficient number, since it is larger than the sum of its proper divisors (16067916998).

20075661370 is a wasteful number, since it uses less digits than its factorization.

20075661370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410445.

The product of its (nonzero) digits is 52920, while the sum is 37.

The spelling of 20075661370 in words is "twenty billion, seventy-five million, six hundred sixty-one thousand, three hundred seventy".

Divisors: 1 2 5 10 4951 9902 24755 49510 405487 810974 2027435 4054870 2007566137 4015132274 10037830685 20075661370