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10913543980 = 22519327110433
BaseRepresentation
bin10100010100111111…
…10111011100101100
31001011120202110212121
422022133313130230
5134322331401410
65002535042324
7534306410323
oct121237673454
931146673777
1010913543980
1146a0458139
122146b103a4
13104c046841
147576070ba
1543d1b29da
hex28a7f772c

10913543980 has 48 divisors (see below), whose sum is σ = 23124415104. Its totient is φ = 4326359040.

The previous prime is 10913543947. The next prime is 10913543981. The reversal of 10913543980 is 8934531901.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (10913543981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040844 + ... + 1051276.

It is an arithmetic number, because the mean of its divisors is an integer number (481758648).

Almost surely, 210913543980 is an apocalyptic number.

10913543980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10913543980 is an abundant number, since it is smaller than the sum of its proper divisors (12210871124).

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

10913543980 is a wasteful number, since it uses less digits than its factorization.

10913543980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10906 (or 10904 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 10913543980 in words is "ten billion, nine hundred thirteen million, five hundred forty-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 193 271 386 542 772 965 1084 1355 1930 2710 3860 5420 10433 20866 41732 52165 52303 104330 104606 208660 209212 261515 523030 1046060 2013569 2827343 4027138 5654686 8054276 10067845 11309372 14136715 20135690 28273430 40271380 56546860 545677199 1091354398 2182708796 2728385995 5456771990 10913543980