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2116922312 = 23162672
BaseRepresentation
bin111111000101101…
…1010101111001000
312110112100210111002
41332023122233020
513313413003222
6550020554132
7103313354111
oct17613325710
95415323432
102116922312
11996a4707a
124b0b52948
1327976446b
14161213208
15c5cab392
hex7e2dabc8

2116922312 has 12 divisors (see below), whose sum is σ = 3969473355. Its totient is φ = 1058396088.

The previous prime is 2116922287. The next prime is 2116922341. The reversal of 2116922312 is 2132296112.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 1058461156 + 1058461156 = 32534^2 + 32534^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=32534.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 122003 + ... + 138269.

Almost surely, 22116922312 is an apocalyptic number.

It is an amenable number.

2116922312 is a deficient number, since it is larger than the sum of its proper divisors (1852551043).

2116922312 is an frugal number, since it uses more digits than its factorization.

2116922312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32540 (or 16269 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 2116922312 is about 46010.0240382463. The cubic root of 2116922312 is about 1284.0097064189.

Multiplying 2116922312 by its product of digits (2592), we get a square (5487062632704 = 23424482).

The spelling of 2116922312 in words is "two billion, one hundred sixteen million, nine hundred twenty-two thousand, three hundred twelve".