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30072496455 = 3351032399049
BaseRepresentation
bin11100000000011101…
…011110000101000111
32212121210201002211000
4130000131132011013
5443042024341310
621452021544343
72113140000531
oct340035360507
985553632730
1030072496455
111183215a761
1259b32750b3
132ab33c9001
141653d1a851
15bb01994c0
hex70075e147

30072496455 has 64 divisors (see below), whose sum is σ = 54213120000. Its totient is φ = 15814745856.

The previous prime is 30072496439. The next prime is 30072496457. The reversal of 30072496455 is 55469427003.

It is not a de Polignac number, because 30072496455 - 24 = 30072496439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 30072496455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30072496457) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3318771 + ... + 3327819.

It is an arithmetic number, because the mean of its divisors is an integer number (847080000).

Almost surely, 230072496455 is an apocalyptic number.

30072496455 is a deficient number, since it is larger than the sum of its proper divisors (24140623545).

30072496455 is a wasteful number, since it uses less digits than its factorization.

30072496455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9405 (or 9399 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 30072496455 in words is "thirty billion, seventy-two million, four hundred ninety-six thousand, four hundred fifty-five".

Divisors: 1 3 5 9 15 27 45 103 135 239 309 515 717 927 1195 1545 2151 2781 3585 4635 6453 9049 10755 13905 24617 27147 32265 45245 73851 81441 123085 135735 221553 244323 369255 407205 664659 932047 1107765 1221615 2162711 2796141 3323295 4660235 6488133 8388423 10813555 13980705 19464399 25165269 32440665 41942115 58393197 97321995 125826345 222759233 291965985 668277699 1113796165 2004833097 3341388495 6014499291 10024165485 30072496455