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61622285088 = 253713311391637
BaseRepresentation
bin111001011000111110…
…010111001100100000
312220001120012102112010
4321120332113030200
52002200301110323
644150415232520
74311025531560
oct713076271440
9186046172463
1061622285088
112415219a941
12bb39218740
135a708964b0
142da8108da0
151909da4c93
hexe58f97320

61622285088 has 384 divisors, whose sum is σ = 207114485760. Its totient is φ = 15605084160.

The previous prime is 61622285069. The next prime is 61622285093. The reversal of 61622285088 is 88058222616.

It is a happy number.

61622285088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37642606 + ... + 37644242.

It is an arithmetic number, because the mean of its divisors is an integer number (539360640).

Almost surely, 261622285088 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 61622285088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103557242880).

61622285088 is an abundant number, since it is smaller than the sum of its proper divisors (145492200672).

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

61622285088 is a wasteful number, since it uses less digits than its factorization.

61622285088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840 (or 1832 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 61622285088 in words is "sixty-one billion, six hundred twenty-two million, two hundred eighty-five thousand, eighty-eight".