Search a number
-
+
11100231992 = 231387528999
BaseRepresentation
bin10100101011010000…
…00001100100111000
31001122121001012200102
422111220001210320
5140213124410432
65033244254532
7542034262253
oct122550014470
931577035612
1011100231992
114786878653
122199541448
13107b91c915
1477432209a
1544e78c962
hex295a01938

11100231992 has 8 divisors (see below), whose sum is σ = 20812935000. Its totient is φ = 5550115992.

The previous prime is 11100231979. The next prime is 11100231997. The reversal of 11100231992 is 29913200111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100231997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693764492 + ... + 693764507.

It is an arithmetic number, because the mean of its divisors is an integer number (2601616875).

Almost surely, 211100231992 is an apocalyptic number.

It is an amenable number.

11100231992 is a deficient number, since it is larger than the sum of its proper divisors (9712703008).

11100231992 is a wasteful number, since it uses less digits than its factorization.

11100231992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387529005 (or 1387529001 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 11100231992 in words is "eleven billion, one hundred million, two hundred thirty-one thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 1387528999 2775057998 5550115996 11100231992