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20078007312024 = 2332278861212667
BaseRepresentation
bin1001001000010110001100…
…11111100101111010011000
32122002102211211222112122100
410210023012133211322120
510112424224332441044
6110411413105323400
74141405511154354
oct444130637457230
978072754875570
1020078007312024
116441042771152
122303304036560
13b2846a63172c
144d5ad04c2464
1524c41d438869
hex1242c67e5e98

20078007312024 has 24 divisors (see below), whose sum is σ = 54377936470260. Its totient is φ = 6692669103984.

The previous prime is 20078007312023. The next prime is 20078007312053. The reversal of 20078007312024 is 42021370087002.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a self number, because there is not a number n which added to its sum of digits gives 20078007312024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20078007312023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139430606262 + ... + 139430606405.

Almost surely, 220078007312024 is an apocalyptic number.

20078007312024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20078007312024 is an abundant number, since it is smaller than the sum of its proper divisors (34299929158236).

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

20078007312024 is a wasteful number, since it uses less digits than its factorization.

20078007312024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278861212679 (or 278861212672 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

Adding to 20078007312024 its reverse (42021370087002), we get a palindrome (62099377399026).

The spelling of 20078007312024 in words is "twenty trillion, seventy-eight billion, seven million, three hundred twelve thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 278861212667 557722425334 836583638001 1115444850668 1673167276002 2230889701336 2509750914003 3346334552004 5019501828006 6692669104008 10039003656012 20078007312024