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61054456160 = 255381590351
BaseRepresentation
bin111000110111001000…
…010001000101100000
312211120222201201200002
4320313020101011200
52000014420044120
644014212515132
74260662212625
oct706710210540
9184528651602
1061054456160
1123990715635
12b9bb01baa8
1359b0052b49
142d5293834c
1518c50de375
hexe37211160

61054456160 has 24 divisors (see below), whose sum is σ = 144241153056. Its totient is φ = 24421782400.

The previous prime is 61054456159. The next prime is 61054456171. The reversal of 61054456160 is 6165445016.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190795016 + ... + 190795335.

It is an arithmetic number, because the mean of its divisors is an integer number (6010048044).

Almost surely, 261054456160 is an apocalyptic number.

It is an amenable number.

61054456160 is an abundant number, since it is smaller than the sum of its proper divisors (83186696896).

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

61054456160 is a wasteful number, since it uses less digits than its factorization.

61054456160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381590366 (or 381590358 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 61054456160 in words is "sixty-one billion, fifty-four million, four hundred fifty-six thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 381590351 763180702 1526361404 1907951755 3052722808 3815903510 6105445616 7631807020 12210891232 15263614040 30527228080 61054456160