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30122666452 = 22172081212869
BaseRepresentation
bin11100000011011100…
…110110100111010100
32212202022010000010001
4130003130312213110
5443142400311302
621501013141044
72114316303664
oct340334664724
985668100101
1030122666452
111185850716a
125a0802a784
132ac09138b8
14165a85a1a4
15bb47a9787
hex7037369d4

30122666452 has 24 divisors (see below), whose sum is σ = 55842612840. Its totient is φ = 14168494080.

The previous prime is 30122666423. The next prime is 30122666527. The reversal of 30122666452 is 25466622103.

It can be written as a sum of positive squares in 4 ways, for example, as 8290830916 + 21831835536 = 91054^2 + 147756^2 .

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, 35074 + ... + 247942.

It is an arithmetic number, because the mean of its divisors is an integer number (2326775535).

Almost surely, 230122666452 is an apocalyptic number.

It is an amenable number.

30122666452 is a deficient number, since it is larger than the sum of its proper divisors (25719946388).

30122666452 is a wasteful number, since it uses less digits than its factorization.

30122666452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214971 (or 214969 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 30122666452 in words is "thirty billion, one hundred twenty-two million, six hundred sixty-six thousand, four hundred fifty-two".

Divisors: 1 2 4 17 34 68 2081 4162 8324 35377 70754 141508 212869 425738 851476 3618773 7237546 14475092 442980389 885960778 1771921556 7530666613 15061333226 30122666452