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61313177190 = 2352043772573
BaseRepresentation
bin111001000110100011…
…001101011001100110
312212021000120010012110
4321012203031121212
52001032133132230
644100014101450
74300253256426
oct710643153146
9185230503173
1061313177190
1124003765571
12ba717aa886
135a21829c05
142d79044486
1518dcb974b0
hexe468cd666

61313177190 has 16 divisors (see below), whose sum is σ = 147151625328. Its totient is φ = 16350180576.

The previous prime is 61313177183. The next prime is 61313177197. The reversal of 61313177190 is 9177131316.

61313177190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61313177183) and next prime (61313177197).

It is a super-2 number, since 2×613131771902 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61313177197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021886257 + ... + 1021886316.

It is an arithmetic number, because the mean of its divisors is an integer number (9196976583).

Almost surely, 261313177190 is an apocalyptic number.

61313177190 is an abundant number, since it is smaller than the sum of its proper divisors (85838448138).

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

61313177190 is a wasteful number, since it uses less digits than its factorization.

61313177190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043772583.

The product of its (nonzero) digits is 23814, while the sum is 39.

The spelling of 61313177190 in words is "sixty-one billion, three hundred thirteen million, one hundred seventy-seven thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 2043772573 4087545146 6131317719 10218862865 12262635438 20437725730 30656588595 61313177190