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1272754010896 = 2489231692
BaseRepresentation
bin10010100001010110000…
…011001111101100010000
311111200012102012210120121
4102201112003033230100
5131323100011322041
62412410051320024
7160645013406664
oct22412603175420
94450172183517
101272754010896
11450854505325
121868028b0014
13930354799b4
144585cbd28a4
1523191e9e7d1
hex128560cfb10

1272754010896 has 45 divisors (see below), whose sum is σ = 2494766882271. Its totient is φ = 629028145152.

The previous prime is 1272754010893. The next prime is 1272754010951. The reversal of 1272754010896 is 6980104572721.

The square root of 1272754010896 is 1128164.

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

It can be written as a sum of positive squares in 4 ways, for example, as 730945296 + 1272023065600 = 27036^2 + 1127840^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1272754010893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 401624800 + ... + 401627968.

Almost surely, 21272754010896 is an apocalyptic number.

1272754010896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1272754010896 is the 1128164-th square number.

It is an amenable number.

1272754010896 is a deficient number, since it is larger than the sum of its proper divisors (1222012871375).

1272754010896 is an frugal number, since it uses more digits than its factorization.

1272754010896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6524 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 1272754010896 in words is "one trillion, two hundred seventy-two billion, seven hundred fifty-four million, ten thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 89 178 356 712 1424 3169 6338 7921 12676 15842 25352 31684 50704 63368 126736 282041 564082 1128164 2256328 4512656 10042561 20085122 25101649 40170244 50203298 80340488 100406596 160680976 200813192 401626384 893787929 1787575858 3575151716 7150303432 14300606864 79547125681 159094251362 318188502724 636377005448 1272754010896