Search a number
-
+
61739010010101 = 3195232518982219
BaseRepresentation
bin11100000100110101110111…
…10000101010101111110101
322002121012011202112011212010
432002122323300222233311
531043012443030310401
6335150302030114433
716001332136222034
oct1602327360525765
9262535152464763
1061739010010101
1118743404688666
126b1152564ba19
13285ac6b222678
141136280d8c71b
15720e90002ed6
hex3826bbc2abf5

61739010010101 has 32 divisors (see below), whose sum is σ = 86821425856000. Its totient is φ = 38916484043328.

The previous prime is 61739010010087. The next prime is 61739010010123. The reversal of 61739010010101 is 10101001093716.

It is not a de Polignac number, because 61739010010101 - 213 = 61739010001909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61739010010141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 750868170 + ... + 750950388.

It is an arithmetic number, because the mean of its divisors is an integer number (2713169558000).

Almost surely, 261739010010101 is an apocalyptic number.

It is an amenable number.

61739010010101 is a deficient number, since it is larger than the sum of its proper divisors (25082415845899).

61739010010101 is a wasteful number, since it uses less digits than its factorization.

61739010010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107953.

The product of its (nonzero) digits is 1134, while the sum is 30.

The spelling of 61739010010101 in words is "sixty-one trillion, seven hundred thirty-nine billion, ten million, ten thousand, one hundred one".

Divisors: 1 3 19 57 523 1569 9937 25189 29811 75567 82219 246657 478591 1435773 1562161 4686483 13173847 39521541 43000537 129001611 250303093 750909279 817010203 2071014391 2451030609 6213043173 39349273429 118047820287 1083140526493 3249421579479 20579670003367 61739010010101