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103561424512 = 277138890919
BaseRepresentation
bin110000001110010111…
…1011110111010000000
3100220022101002110020021
41200130233132322000
53144043211041022
6115324144423224
710324230404230
oct1403457367200
9326271073207
10103561424512
113aa137a7047
12180a2617b14
1399c5604520
14502604bcc0
152a61c2b7c7
hex181cbdee80

103561424512 has 64 divisors (see below), whose sum is σ = 253924675200. Its totient is φ = 40969350144.

The previous prime is 103561424509. The next prime is 103561424537. The reversal of 103561424512 is 215424165301.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×1035614245123 (a number of 34 digits) contains 333 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, 4433812 + ... + 4457107.

It is an arithmetic number, because the mean of its divisors is an integer number (3967573050).

Almost surely, 2103561424512 is an apocalyptic number.

It is an amenable number.

103561424512 is an abundant number, since it is smaller than the sum of its proper divisors (150363250688).

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

103561424512 is an equidigital number, since it uses as much as digits as its factorization.

103561424512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8890953 (or 8890941 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 103561424512 its reverse (215424165301), we get a palindrome (318985589813).

The spelling of 103561424512 in words is "one hundred three billion, five hundred sixty-one million, four hundred twenty-four thousand, five hundred twelve".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 128 182 208 224 364 416 448 728 832 896 1456 1664 2912 5824 11648 8890919 17781838 35563676 62236433 71127352 115581947 124472866 142254704 231163894 248945732 284509408 462327788 497891464 569018816 809073629 924655576 995782928 1138037632 1618147258 1849311152 1991565856 3236294516 3698622304 3983131712 6472589032 7397244608 7966263424 12945178064 14794489216 25890356128 51780712256 103561424512