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2031274754821 = 13315040384007
BaseRepresentation
bin11101100011110001011…
…010010000001100000101
321012012002000211000012201
4131203301122100030011
5231240022314123241
64153053231314501
7266516611351204
oct35436132201405
97165060730181
102031274754821
11713505709aa4
1228981197ba31
13119718a65760
147045832723b
1537c889ab931
hex1d8f1690305

2031274754821 has 8 divisors (see below), whose sum is σ = 2258092035584. Its totient is φ = 1814538242160.

The previous prime is 2031274754807. The next prime is 2031274754843. The reversal of 2031274754821 is 1284574721302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2031274754821 - 221 = 2031272657669 is a prime.

It is a super-2 number, since 2×20312747548212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031274754891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2520191601 + ... + 2520192406.

It is an arithmetic number, because the mean of its divisors is an integer number (282261504448).

Almost surely, 22031274754821 is an apocalyptic number.

It is an amenable number.

2031274754821 is a deficient number, since it is larger than the sum of its proper divisors (226817280763).

2031274754821 is a wasteful number, since it uses less digits than its factorization.

2031274754821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040384051.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 2031274754821 in words is "two trillion, thirty-one billion, two hundred seventy-four million, seven hundred fifty-four thousand, eight hundred twenty-one".

Divisors: 1 13 31 403 5040384007 65524992091 156251904217 2031274754821