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30550027550 = 2527234573607
BaseRepresentation
bin11100011100111011…
…000110110100011110
32220212002021012022212
4130130323012310132
51000031301340200
622011241040422
72131025643500
oct343473066436
986762235285
1030550027550
1111a5776a959
125b07186112
132b5b314ca3
14169b503d70
15bdc075035
hex71cec6d1e

30550027550 has 72 divisors (see below), whose sum is σ = 66137735664. Its totient is φ = 10468362240.

The previous prime is 30550027549. The next prime is 30550027561. The reversal of 30550027550 is 5572005503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8467847 + ... + 8471453.

It is an arithmetic number, because the mean of its divisors is an integer number (918579662).

Almost surely, 230550027550 is an apocalyptic number.

30550027550 is an abundant number, since it is smaller than the sum of its proper divisors (35587708114).

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

30550027550 is a wasteful number, since it uses less digits than its factorization.

30550027550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7090 (or 7078 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 32.

The spelling of 30550027550 in words is "thirty billion, five hundred fifty million, twenty-seven thousand, five hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 98 175 245 350 490 1225 2450 3457 3607 6914 7214 17285 18035 24199 25249 34570 36070 48398 50498 86425 90175 120995 126245 169393 172850 176743 180350 241990 252490 338786 353486 604975 631225 846965 883715 1209950 1262450 1693930 1767430 4234825 4418575 8469650 8837150 12469399 24938798 62346995 87285793 124693990 174571586 311734975 436428965 611000551 623469950 872857930 1222001102 2182144825 3055002755 4364289650 6110005510 15275013775 30550027550