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2124992931 = 323103929641
BaseRepresentation
bin111111010101000…
…1101000110100011
312111002112211021220
41332222031012203
513322444233211
6550505550123
7103442066445
oct17652150643
95432484256
102124992931
119a0559706
124b37a5343
1327b32ba89
14162314495
15c6852806
hex7ea8d1a3

2124992931 has 16 divisors (see below), whose sum is σ = 2959457280. Its totient is φ = 1353718080.

The previous prime is 2124992899. The next prime is 2124992939. The reversal of 2124992931 is 1392994212.

It is not a de Polignac number, because 2124992931 - 25 = 2124992899 is a prime.

It is a super-2 number, since 2×21249929312 = 9031189913599941522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2124992939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56871 + ... + 86511.

It is an arithmetic number, because the mean of its divisors is an integer number (184966080).

Almost surely, 22124992931 is an apocalyptic number.

2124992931 is a deficient number, since it is larger than the sum of its proper divisors (834464349).

2124992931 is a wasteful number, since it uses less digits than its factorization.

2124992931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30706.

The product of its digits is 69984, while the sum is 42.

The square root of 2124992931 is about 46097.6456123304. The cubic root of 2124992931 is about 1285.6393697284.

The spelling of 2124992931 in words is "two billion, one hundred twenty-four million, nine hundred ninety-two thousand, nine hundred thirty-one".

Divisors: 1 3 23 69 1039 3117 23897 29641 71691 88923 681743 2045229 30796999 92390997 708330977 2124992931