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2663624243280 = 24357111347235901
BaseRepresentation
bin100110110000101100011…
…000000111100001010000
3100102122021112221100100010
4212300230120013201100
5322120100301241110
65355352503354520
7363304043333520
oct46605430074120
910378245840303
102663624243280
11937700499020
1237028a452a40
131642427697c0
1492cc4a87680
154944884d020
hex26c2c607850

2663624243280 has 640 divisors, whose sum is σ = 11322571309056. Its totient is φ = 500032512000.

The previous prime is 2663624243263. The next prime is 2663624243317. The reversal of 2663624243280 is 823424263662.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11173330 + ... + 11409230.

Almost surely, 22663624243280 is an apocalyptic number.

2663624243280 is a gapful number since it is divisible by the number (20) 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 2663624243280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5661285654528).

2663624243280 is an abundant number, since it is smaller than the sum of its proper divisors (8658947065776).

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

2663624243280 is a wasteful number, since it uses less digits than its factorization.

2663624243280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235995 (or 235989 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 2663624243280 in words is "two trillion, six hundred sixty-three billion, six hundred twenty-four million, two hundred forty-three thousand, two hundred eighty".