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10505252620 = 225899958369
BaseRepresentation
bin10011100100010100…
…10110111100001100
31000010010111010102101
421302022112330030
5133003321040440
64454232004444
7521221113442
oct116212267414
930103433371
1010505252620
114500a39865
122052230724
13cb5591315
147192c4b92
1541741269a
hex272296f0c

10505252620 has 24 divisors (see below), whose sum is σ = 22063860000. Its totient is φ = 4201562112.

The previous prime is 10505252603. The next prime is 10505252669. The reversal of 10505252620 is 2625250501.

It is a super-2 number, since 2×105052526202 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150796 + ... + 209164.

It is an arithmetic number, because the mean of its divisors is an integer number (919327500).

Almost surely, 210505252620 is an apocalyptic number.

10505252620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10505252620 is an abundant number, since it is smaller than the sum of its proper divisors (11558607380).

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

10505252620 is a wasteful number, since it uses less digits than its factorization.

10505252620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67377 (or 67375 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 10505252620 in words is "ten billion, five hundred five million, two hundred fifty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 8999 17998 35996 44995 58369 89990 116738 179980 233476 291845 583690 1167380 525262631 1050525262 2101050524 2626313155 5252626310 10505252620