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51552015530 = 2522728180819
BaseRepresentation
bin110000000000101111…
…010101010010101010
311221001202012201200112
4300000233111102222
51321034303444110
635403242334322
73503335621241
oct600057252252
9157052181615
1051552015530
111a954850314
129ba87ba3a2
134b27474902
1426d08d3958
15151ac66405
hexc00bd54aa

51552015530 has 32 divisors (see below), whose sum is σ = 93535248960. Its totient is φ = 20456652160.

The previous prime is 51552015527. The next prime is 51552015583. The reversal of 51552015530 is 3551025515.

It is a super-2 number, since 2×515520155302 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597461 + ... + 678279.

It is an arithmetic number, because the mean of its divisors is an integer number (2922976530).

Almost surely, 251552015530 is an apocalyptic number.

51552015530 is a deficient number, since it is larger than the sum of its proper divisors (41983233430).

51552015530 is a wasteful number, since it uses less digits than its factorization.

51552015530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81334.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 51552015530 in words is "fifty-one billion, five hundred fifty-two million, fifteen thousand, five hundred thirty".

Divisors: 1 2 5 10 227 281 454 562 1135 1405 2270 2810 63787 80819 127574 161638 318935 404095 637870 808190 18345913 22710139 36691826 45420278 91729565 113550695 183459130 227101390 5155201553 10310403106 25776007765 51552015530