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61969132096 = 26294372
BaseRepresentation
bin111001101101101001…
…011110101001000000
312220221201212002011121
4321231221132221000
52003403044211341
644245045322024
74322436634414
oct715551365100
9186851762147
1061969132096
112430aa61163
1210015406314
135ac76b7501
142ddc1d4d44
15192a5694d1
hexe6da5ea40

61969132096 has 105 divisors (see below), whose sum is σ = 130897018749. Its totient is φ = 29107588608.

The previous prime is 61969132081. The next prime is 61969132117. The reversal of 61969132096 is 69023196916.

The square root of 61969132096 is 248936.

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

61969132096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 7 ways, for example, as 4783105600 + 57186026496 = 69160^2 + 239136^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1674841390 + ... + 1674841426.

Almost surely, 261969132096 is an apocalyptic number.

61969132096 is the 248936-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61969132096

61969132096 is an abundant number, since it is smaller than the sum of its proper divisors (68927886653).

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

61969132096 is an frugal number, since it uses more digits than its factorization.

61969132096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 52.

The spelling of 61969132096 in words is "sixty-one billion, nine hundred sixty-nine million, one hundred thirty-two thousand, ninety-six".

Divisors: 1 2 4 8 16 29 32 37 58 64 74 116 148 232 296 464 592 841 928 1073 1184 1369 1682 1856 2146 2368 2738 3364 4292 5476 6728 8584 10952 13456 17168 21904 24389 26912 31117 34336 39701 43808 48778 53824 62234 68672 79402 87616 97556 124468 158804 195112 248936 317608 390224 497872 635216 707281 780448 902393 995744 1151329 1270432 1414562 1560896 1804786 1991488 2302658 2540864 2829124 3609572 4605316 5658248 7219144 9210632 11316496 14438288 18421264 22632992 26169397 28876576 33388541 36842528 45265984 52338794 57753152 66777082 73685056 104677588 133554164 209355176 267108328 418710352 534216656 837420704 968267689 1068433312 1674841408 1936535378 2136866624 3873070756 7746141512 15492283024 30984566048 61969132096