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2140157250 = 2325371121123
BaseRepresentation
bin111111110010000…
…0011010101000010
312112011002020211100
41333210003111002
513340340013000
6552210555230
7104015015340
oct17744032502
95464066740
102140157250
119a9076900
124b8898b16
1328150b14a
14164340990
15c7d4aa00
hex7f903542

2140157250 has 288 divisors, whose sum is σ = 7276074624. Its totient is φ = 444312000.

The previous prime is 2140157233. The next prime is 2140157303. The reversal of 2140157250 is 527510412.

2140157250 is a `hidden beast` number, since 2 + 1 + 40 + 1 + 572 + 50 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1905189 + ... + 1906311.

It is an arithmetic number, because the mean of its divisors is an integer number (25264148).

Almost surely, 22140157250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2140157250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3638037312).

2140157250 is an abundant number, since it is smaller than the sum of its proper divisors (5135917374).

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

2140157250 is a wasteful number, since it uses less digits than its factorization.

2140157250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 2140157250 is about 46261.8336212477. The cubic root of 2140157250 is about 1288.6903058792.

Adding to 2140157250 its reverse (527510412), we get a palindrome (2667667662).

The spelling of 2140157250 in words is "two billion, one hundred forty million, one hundred fifty-seven thousand, two hundred fifty".