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61080158700 = 2233521123137163
BaseRepresentation
bin111000111000101010…
…010100000111101100
312211122210002112221000
4320320222110013230
52000043010034300
644020531440300
74261423532301
oct707052240754
9184583075830
1061080158700
11239a4180300
12ba07756090
1359b5481a52
142d561090a8
1518c74b9c00
hexe38a941ec

61080158700 has 864 divisors, whose sum is σ = 230223042560. Its totient is φ = 13856832000.

The previous prime is 61080158639. The next prime is 61080158749. The reversal of 61080158700 is 785108016.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 374724819 + ... + 374724981.

Almost surely, 261080158700 is an apocalyptic number.

61080158700 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 61080158700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115111521280).

61080158700 is an abundant number, since it is smaller than the sum of its proper divisors (169142883860).

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

61080158700 is a wasteful number, since it uses less digits than its factorization.

61080158700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The spelling of 61080158700 in words is "sixty-one billion, eighty million, one hundred fifty-eight thousand, seven hundred".