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61078802380434 = 2331131088932971
BaseRepresentation
bin11011110001101000001000…
…10100011011011010010010
322000021002001202101122021000
431320310010110123122102
531001203341402133214
6333523114153242430
715602540443034016
oct1570640424333222
9260232052348230
1061078802380434
1118509413693843
126a25593403416
132810924b0bcb7
141112330848546
1570dbee5bc809
hex378d0451b692

61078802380434 has 16 divisors (see below), whose sum is σ = 135730671956640. Its totient is φ = 20359600793460.

The previous prime is 61078802380417. The next prime is 61078802380469. The reversal of 61078802380434 is 43408320887016.

61078802380434 is a `hidden beast` number, since 6 + 107 + 8 + 8 + 0 + 23 + 80 + 434 = 666.

It is a super-2 number, since 2×610788023804342 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1131088932971 = 61078802380434 / (6 + 1 + 0 + 7 + 8 + 8 + 0 + 2 + 3 + 8 + 0 + 4 + 3 + 4).

It is a Curzon 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, 565544466432 + ... + 565544466539.

It is an arithmetic number, because the mean of its divisors is an integer number (8483166997290).

Almost surely, 261078802380434 is an apocalyptic number.

61078802380434 is an abundant number, since it is smaller than the sum of its proper divisors (74651869576206).

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

61078802380434 is a wasteful number, since it uses less digits than its factorization.

61078802380434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131088932982 (or 1131088932976 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 61078802380434 in words is "sixty-one trillion, seventy-eight billion, eight hundred two million, three hundred eighty thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 1131088932971 2262177865942 3393266798913 6786533597826 10179800396739 20359600793478 30539401190217 61078802380434