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10064726780 = 2251573838369
BaseRepresentation
bin10010101111110011…
…11000101011111100
3221222102120002120112
421113321320223330
5131103032224110
64342414005152
7504261523523
oct112771705374
927872502515
1010064726780
1142a5304219
121b4a7a67b8
13c45230a44
146b69b14ba
153dd8e6405
hex257e78afc

10064726780 has 48 divisors (see below), whose sum is σ = 21328634880. Its totient is φ = 3989326848.

The previous prime is 10064726761. The next prime is 10064726807. The reversal of 10064726780 is 8762746001.

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, 1198436 + ... + 1206804.

It is an arithmetic number, because the mean of its divisors is an integer number (444346560).

Almost surely, 210064726780 is an apocalyptic number.

10064726780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10064726780 is an abundant number, since it is smaller than the sum of its proper divisors (11263908100).

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

10064726780 is a wasteful number, since it uses less digits than its factorization.

10064726780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8918 (or 8916 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 10064726780 in words is "ten billion, sixty-four million, seven hundred twenty-six thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 157 314 383 628 766 785 1532 1570 1915 3140 3830 7660 8369 16738 33476 41845 60131 83690 120262 167380 240524 300655 601310 1202620 1313933 2627866 3205327 5255732 6410654 6569665 12821308 13139330 16026635 26278660 32053270 64106540 503236339 1006472678 2012945356 2516181695 5032363390 10064726780