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10266578140 = 22571331181967
BaseRepresentation
bin10011000111110111…
…11000110011011100
3222111111101012120211
421203323320303130
5132011221000030
64414424222204
7512262321460
oct114373706334
928444335524
1010266578140
114399241125
121ba630a964
13c77cb5910
146d57164a0
154014b912a
hex263ef8cdc

10266578140 has 96 divisors (see below), whose sum is σ = 27391279104. Its totient is φ = 3144372480.

The previous prime is 10266578129. The next prime is 10266578159. The reversal of 10266578140 is 4187566201.

It is a junction number, because it is equal to n+sod(n) for n = 10266578093 and 10266578102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34564 + ... + 147403.

It is an arithmetic number, because the mean of its divisors is an integer number (285325824).

Almost surely, 210266578140 is an apocalyptic number.

10266578140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10266578140 is an abundant number, since it is smaller than the sum of its proper divisors (17124700964).

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

10266578140 is a wasteful number, since it uses less digits than its factorization.

10266578140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182027 (or 182025 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 10266578140 in words is "ten billion, two hundred sixty-six million, five hundred seventy-eight thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 31 35 52 62 65 70 91 124 130 140 155 182 217 260 310 364 403 434 455 620 806 868 910 1085 1612 1820 2015 2170 2821 4030 4340 5642 8060 11284 14105 28210 56420 181967 363934 727868 909835 1273769 1819670 2365571 2547538 3639340 4731142 5095076 5640977 6368845 9462284 11281954 11827855 12737690 16558997 22563908 23655710 25475380 28204885 33117994 39486839 47311420 56409770 66235988 73332701 78973678 82794985 112819540 146665402 157947356 165589970 197434195 293330804 331179940 366663505 394868390 513328907 733327010 789736780 1026657814 1466654020 2053315628 2566644535 5133289070 10266578140