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63078874740 = 22345741135671
BaseRepresentation
bin111010101111110010…
…110011111001110100
320000211002000211220000
4322233302303321310
52013141142442430
644551131111300
74362103405620
oct725762637164
9200732024800
1063078874740
112482a420242
1210284ba2530
135c4359986b
1430a574c180
151992bc6e60
hexeafcb3e74

63078874740 has 240 divisors, whose sum is σ = 231666994944. Its totient is φ = 14066265600.

The previous prime is 63078874721. The next prime is 63078874759. The reversal of 63078874740 is 4747887036.

It is an interprime number because it is at equal distance from previous prime (63078874721) and next prime (63078874759).

It is a super-2 number, since 2×630788747402 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 397105 + ... + 532775.

Almost surely, 263078874740 is an apocalyptic number.

63078874740 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 63078874740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115833497472).

63078874740 is an abundant number, since it is smaller than the sum of its proper divisors (168588120204).

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

63078874740 is a wasteful number, since it uses less digits than its factorization.

63078874740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135740 (or 135729 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 63078874740 in words is "sixty-three billion, seventy-eight million, eight hundred seventy-four thousand, seven hundred forty".