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20157067110 = 2351739523661
BaseRepresentation
bin10010110001011101…
…000110111101100110
31221000210002002211010
4102301131012331212
5312240202121420
613132055523050
71312340146335
oct226135067546
957023062733
1020157067110
118604158954
123aa6689486
131b930ac45b
14d930cdd1c
157ce9444e0
hex4b1746f66

20157067110 has 32 divisors (see below), whose sum is σ = 51222665952. Its totient is φ = 5059028480.

The previous prime is 20157067109. The next prime is 20157067141. The reversal of 20157067110 is 1176075102.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19761321 + ... + 19762340.

It is an arithmetic number, because the mean of its divisors is an integer number (1600708311).

Almost surely, 220157067110 is an apocalyptic number.

20157067110 is an abundant number, since it is smaller than the sum of its proper divisors (31065598842).

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

20157067110 is a wasteful number, since it uses less digits than its factorization.

20157067110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39523688.

The product of its (nonzero) digits is 2940, while the sum is 30.

The spelling of 20157067110 in words is "twenty billion, one hundred fifty-seven million, sixty-seven thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 39523661 79047322 118570983 197618305 237141966 395236610 592854915 671902237 1185709830 1343804474 2015706711 3359511185 4031413422 6719022370 10078533555 20157067110