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61734577134 = 2313178542719
BaseRepresentation
bin111001011111101010…
…101110001111101110
312220100101111110020210
4321133222232033232
52002413022432014
644205510123250
74313561150616
oct713752561756
9186311443223
1061734577134
11241aa61758a
12bb6a950526
135a8ac21ba9
142db8db9a46
151914b86859
hexe5faae3ee

61734577134 has 16 divisors (see below), whose sum is σ = 124411668480. Its totient is φ = 20421106680.

The previous prime is 61734577123. The next prime is 61734577169. The reversal of 61734577134 is 43177543716.

It is a super-2 number, since 2×617345771342 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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, 39270574 + ... + 39272145.

It is an arithmetic number, because the mean of its divisors is an integer number (7775729280).

Almost surely, 261734577134 is an apocalyptic number.

61734577134 is an abundant number, since it is smaller than the sum of its proper divisors (62677091346).

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

61734577134 is a wasteful number, since it uses less digits than its factorization.

61734577134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78542855.

The product of its digits is 1481760, while the sum is 48.

The spelling of 61734577134 in words is "sixty-one billion, seven hundred thirty-four million, five hundred seventy-seven thousand, one hundred thirty-four".

Divisors: 1 2 3 6 131 262 393 786 78542719 157085438 235628157 471256314 10289096189 20578192378 30867288567 61734577134