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22989742140 = 22351033720023
BaseRepresentation
bin10101011010010010…
…111010000000111100
32012100012020220110010
4111122102322000330
5334040333222030
614321125543220
71442464404201
oct253222720074
965305226403
1022989742140
1198281235a2
124557274b10
132224c0a121
1411813bbca8
158e84856b0
hex55a4ba03c

22989742140 has 48 divisors (see below), whose sum is σ = 64996259328. Its totient is φ = 6071075904.

The previous prime is 22989742133. The next prime is 22989742157. The reversal of 22989742140 is 4124798922.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22989742140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1853832 + ... + 1866191.

It is an arithmetic number, because the mean of its divisors is an integer number (1354088736).

Almost surely, 222989742140 is an apocalyptic number.

22989742140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22989742140 is an abundant number, since it is smaller than the sum of its proper divisors (42006517188).

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

22989742140 is a wasteful number, since it uses less digits than its factorization.

22989742140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720138 (or 3720136 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 22989742140 in words is "twenty-two billion, nine hundred eighty-nine million, seven hundred forty-two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 103 206 309 412 515 618 1030 1236 1545 2060 3090 6180 3720023 7440046 11160069 14880092 18600115 22320138 37200230 44640276 55800345 74400460 111600690 223201380 383162369 766324738 1149487107 1532649476 1915811845 2298974214 3831623690 4597948428 5747435535 7663247380 11494871070 22989742140