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11469357940 = 2255310820149
BaseRepresentation
bin10101010111010000…
…01000001101110100
31002121022121202021211
422223220020031310
5141442123423230
65134032051204
7554135635225
oct125350101564
932538552254
1011469357940
114956176417
122281093b04
13110a241441
147ab36b24c
15471da342a
hex2aba08374

11469357940 has 24 divisors (see below), whose sum is σ = 24540100200. Its totient is φ = 4501181568.

The previous prime is 11469357937. The next prime is 11469357973. The reversal of 11469357940 is 4975396411.

It can be written as a sum of positive squares in 4 ways, for example, as 1700407696 + 9768950244 = 41236^2 + 98838^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5409015 + ... + 5411134.

It is an arithmetic number, because the mean of its divisors is an integer number (1022504175).

Almost surely, 211469357940 is an apocalyptic number.

11469357940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11469357940 is an abundant number, since it is smaller than the sum of its proper divisors (13070742260).

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

11469357940 is a wasteful number, since it uses less digits than its factorization.

11469357940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10820211 (or 10820209 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 11469357940 in words is "eleven billion, four hundred sixty-nine million, three hundred fifty-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 10820149 21640298 43280596 54100745 108201490 216402980 573467897 1146935794 2293871588 2867339485 5734678970 11469357940