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10139684416 = 264123072
BaseRepresentation
bin10010111000101111…
…10100111001000000
3222011122121100010021
421130113310321000
5131231224400131
64354052343224
7506161616101
oct113427647100
928148540107
1010139684416
114333650a84
121b6b914b14
13c57916c84
146c29243a8
153e52a0e11
hex25c5f4e40

10139684416 has 63 divisors (see below), whose sum is σ = 20691057297. Its totient is φ = 4930076160.

The previous prime is 10139684411. The next prime is 10139684417. The reversal of 10139684416 is 61448693101.

The square root of 10139684416 is 100696.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 488586816 + 9651097600 = 22104^2 + 98240^2 .

It is a super-2 number, since 2×101396844162 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10139684411) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 33028135 + ... + 33028441.

Almost surely, 210139684416 is an apocalyptic number.

10139684416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

10139684416 is the 100696-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10139684416

10139684416 is an abundant number, since it is smaller than the sum of its proper divisors (10551372881).

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

10139684416 is an frugal number, since it uses more digits than its factorization.

10139684416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 10139684416 in words is "ten billion, one hundred thirty-nine million, six hundred eighty-four thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 32 41 64 82 164 307 328 614 656 1228 1312 1681 2456 2624 3362 4912 6724 9824 12587 13448 19648 25174 26896 50348 53792 94249 100696 107584 188498 201392 376996 402784 516067 753992 805568 1032134 1507984 2064268 3015968 3864209 4128536 6031936 7728418 8257072 15456836 16514144 30913672 33028288 61827344 123654688 158432569 247309376 316865138 633730276 1267460552 2534921104 5069842208 10139684416