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61496834460 = 22351024947241
BaseRepresentation
bin111001010001011111…
…110011100110011100
312212201211010212121120
4321101133303212130
52001421142200320
644130134330540
74304643316365
oct712137634634
9185654125546
1061496834460
11240983a5a36
12bb031b9a50
135a508b1659
142d955b0b6c
1518edd74440
hexe517f399c

61496834460 has 24 divisors (see below), whose sum is σ = 172191136656. Its totient is φ = 16399155840.

The previous prime is 61496834423. The next prime is 61496834507. The reversal of 61496834460 is 6443869416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512473561 + ... + 512473680.

It is an arithmetic number, because the mean of its divisors is an integer number (7174630694).

Almost surely, 261496834460 is an apocalyptic number.

61496834460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61496834460 is an abundant number, since it is smaller than the sum of its proper divisors (110694302196).

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

61496834460 is a wasteful number, since it uses less digits than its factorization.

61496834460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024947253 (or 1024947251 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 61496834460 in words is "sixty-one billion, four hundred ninety-six million, eight hundred thirty-four thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1024947241 2049894482 3074841723 4099788964 5124736205 6149683446 10249472410 12299366892 15374208615 20498944820 30748417230 61496834460