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61168195235400 = 2335211191014829551
BaseRepresentation
bin11011110100001110101001…
…00011000110111001001000
322000120121210200211011222020
431322013110203012321020
531004134430440013100
6334032140404324440
715612153620542311
oct1572072443067110
9260517720734866
1061168195235400
1118543316616880
126a3a9809a3720
13281919cc03456
1411167b0c5d608
157111d24b95a0
hex37a1d48c6e48

61168195235400 has 384 divisors, whose sum is σ = 219903025305600. Its totient is φ = 13909104000000.

The previous prime is 61168195235351. The next prime is 61168195235417. The reversal of 61168195235400 is 453259186116.

It is a super-2 number, since 2×611681952354002 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10250625 + ... + 15080175.

It is an arithmetic number, because the mean of its divisors is an integer number (572664128400).

Almost surely, 261168195235400 is an apocalyptic number.

61168195235400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61168195235400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109951512652800).

61168195235400 is an abundant number, since it is smaller than the sum of its proper divisors (158734830070200).

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

61168195235400 is a wasteful number, since it uses less digits than its factorization.

61168195235400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829701 (or 4829692 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 61168195235400 in words is "sixty-one trillion, one hundred sixty-eight billion, one hundred ninety-five million, two hundred thirty-five thousand, four hundred".