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10155215630 = 2571311107439
BaseRepresentation
bin10010111010100110…
…00100101100001110
3222012201211101221102
421131103010230032
5131244213400010
64355405303102
7506440623440
oct113523045416
928181741842
1010155215630
11434139989a
121b74b64a92
13c5abc4341
146c4a08490
153e681cba5
hex25d4c4b0e

10155215630 has 32 divisors (see below), whose sum is σ = 21050219520. Its totient is φ = 3455206560.

The previous prime is 10155215617. The next prime is 10155215647. The reversal of 10155215630 is 3651255101.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10155215593 and 10155215602.

It is a congruent number.

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, 544550 + ... + 562889.

It is an arithmetic number, because the mean of its divisors is an integer number (657819360).

Almost surely, 210155215630 is an apocalyptic number.

10155215630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10155215630 is an abundant number, since it is smaller than the sum of its proper divisors (10895003890).

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

10155215630 is a wasteful number, since it uses less digits than its factorization.

10155215630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107584.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 10155215630 in words is "ten billion, one hundred fifty-five million, two hundred fifteen thousand, six hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 131 262 655 917 1310 1834 4585 9170 1107439 2214878 5537195 7752073 11074390 15504146 38760365 77520730 145074509 290149018 725372545 1015521563 1450745090 2031043126 5077607815 10155215630