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157271553271040 = 28513192370130853
BaseRepresentation
bin100011110000100110100011…
…000100001110010100000000
3202121212000100221211020110212
4203300212203010032110000
5131103214120114133130
61314253315410413252
745061331462555345
oct4360464304162400
9677760327736425
10157271553271040
114612554484034a
1215780344b91228
13699a84a682530
142ab9dab7587cc
15132aed9c31e95
hex8f09a310e500

157271553271040 has 576 divisors, whose sum is σ = 446262106268160. Its totient is φ = 52544559513600.

The previous prime is 157271553271009. The next prime is 157271553271069. The reversal of 157271553271040 is 40172355172751.

It is a self number, because there is not a number n which added to its sum of digits gives 157271553271040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5097432254 + ... + 5097463106.

It is an arithmetic number, because the mean of its divisors is an integer number (774760601160).

Almost surely, 2157271553271040 is an apocalyptic number.

157271553271040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157271553271040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223131053134080).

157271553271040 is an abundant number, since it is smaller than the sum of its proper divisors (288990552997120).

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

157271553271040 is a wasteful number, since it uses less digits than its factorization.

157271553271040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31630 (or 31616 counting only the distinct ones).

The product of its (nonzero) digits is 2058000, while the sum is 50.

The spelling of 157271553271040 in words is "one hundred fifty-seven trillion, two hundred seventy-one billion, five hundred fifty-three million, two hundred seventy-one thousand, forty".