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61141925791296 = 2634723119314021
BaseRepresentation
bin11011110011011101101101…
…10001001000011001000000
322000111002222221020011020000
431321232312301020121000
531003222131000310141
6334012113555120000
715610233630132600
oct1571566661103100
9260432887204200
1061141925791296
1118533166162699
126a3586b2a3000
13281687469cc9c
1411153dc06ac00
157106961405b6
hex379bb6c48640

61141925791296 has 840 divisors, whose sum is σ = 217802626981632. Its totient is φ = 16892644608000.

The previous prime is 61141925791291. The next prime is 61141925791313. The reversal of 61141925791296 is 69219752914116.

61141925791296 is a `hidden beast` number, since 6 + 1 + 1 + 4 + 1 + 9 + 257 + 91 + 296 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (61141925791291) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 15205649766 + ... + 15205653786.

Almost surely, 261141925791296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61141925791296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108901313490816).

61141925791296 is an abundant number, since it is smaller than the sum of its proper divisors (156660701190336).

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

61141925791296 is a wasteful number, since it uses less digits than its factorization.

61141925791296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6021 (or 5995 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 63.

The spelling of 61141925791296 in words is "sixty-one trillion, one hundred forty-one billion, nine hundred twenty-five million, seven hundred ninety-one thousand, two hundred ninety-six".