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61551852996713 = 592514156381457
BaseRepresentation
bin11011111111011001010000…
…10101010100100001101001
322001221022002110120210221112
431333230220111110201221
531031431143331343323
6334524310401520105
715651655203652502
oct1577545025244151
9261838073523845
1061551852996713
1118680aa33aa392
126aa11b3043035
1328464128bbc71
14112b1a8843ba9
1571b189318178
hex37fb28554869

61551852996713 has 8 divisors (see below), whose sum is σ = 62844487644960. Its totient is φ = 60267531112000.

The previous prime is 61551852996653. The next prime is 61551852996719. The reversal of 61551852996713 is 31769925815516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61551852996713 - 226 = 61551785887849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61551852996719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2078175920 + ... + 2078205537.

It is an arithmetic number, because the mean of its divisors is an integer number (7855560955620).

Almost surely, 261551852996713 is an apocalyptic number.

It is an amenable number.

61551852996713 is a deficient number, since it is larger than the sum of its proper divisors (1292634648247).

61551852996713 is a wasteful number, since it uses less digits than its factorization.

61551852996713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156381767.

The product of its digits is 122472000, while the sum is 68.

The spelling of 61551852996713 in words is "sixty-one trillion, five hundred fifty-one billion, eight hundred fifty-two million, nine hundred ninety-six thousand, seven hundred thirteen".

Divisors: 1 59 251 14809 4156381457 245226505963 1043251745707 61551852996713