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61047250552 = 237630906319
BaseRepresentation
bin111000110110101100…
…110001111001111000
312211120111011122102201
4320312230301321320
52000011044004202
644013354235544
74260544032211
oct706654617170
9184514148381
1061047250552
1123987643992
12b9b8725bb4
1359ab6cc182
142d519c0408
1518c4669387
hexe36b31e78

61047250552 has 8 divisors (see below), whose sum is σ = 114463594800. Its totient is φ = 30523625272.

The previous prime is 61047250549. The next prime is 61047250577. The reversal of 61047250552 is 25505274016.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3815453152 + ... + 3815453167.

It is an arithmetic number, because the mean of its divisors is an integer number (14307949350).

Almost surely, 261047250552 is an apocalyptic number.

It is an amenable number.

61047250552 is a deficient number, since it is larger than the sum of its proper divisors (53416344248).

61047250552 is a wasteful number, since it uses less digits than its factorization.

61047250552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630906325 (or 7630906321 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 61047250552 in words is "sixty-one billion, forty-seven million, two hundred fifty thousand, five hundred fifty-two".

Divisors: 1 2 4 8 7630906319 15261812638 30523625276 61047250552