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61402043135 = 5671671097543
BaseRepresentation
bin111001001011110110…
…001101001011111111
312212111012202222100202
4321023312031023333
52001222410340020
644112510514115
74302412520006
oct711366151377
9185435688322
1061402043135
11240499418a4
12ba9750593b
135a37072904
142d86b77c3d
1518e589ce75
hexe4bd8d2ff

61402043135 has 16 divisors (see below), whose sum is σ = 75230055936. Its totient is φ = 48098680608.

The previous prime is 61402043119. The next prime is 61402043161. The reversal of 61402043135 is 53134020416.

It is a cyclic number.

It is not a de Polignac number, because 61402043135 - 24 = 61402043119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61402043098 and 61402043107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492827 + ... + 604716.

It is an arithmetic number, because the mean of its divisors is an integer number (4701878496).

Almost surely, 261402043135 is an apocalyptic number.

61402043135 is a deficient number, since it is larger than the sum of its proper divisors (13828012801).

61402043135 is a wasteful number, since it uses less digits than its factorization.

61402043135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097782.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 61402043135 in words is "sixty-one billion, four hundred two million, forty-three thousand, one hundred thirty-five".

Divisors: 1 5 67 167 335 835 11189 55945 1097543 5487715 73535381 183289681 367676905 916448405 12280408627 61402043135