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30154245540 = 22351955325703
BaseRepresentation
bin11100000101010101…
…010100010110100100
32212211111112101110220
4130011111110112210
5443223441324130
621504102044340
72115151600206
oct340525242644
985744471426
1030154245540
1111874315a91
125a167196b0
132ac731c553
141660b1a776
15bb7446410
hex7055545a4

30154245540 has 48 divisors (see below), whose sum is σ = 84439490688. Its totient is φ = 8040408064.

The previous prime is 30154245467. The next prime is 30154245593. The reversal of 30154245540 is 4554245103.

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, 1160329 + ... + 1186031.

It is an arithmetic number, because the mean of its divisors is an integer number (1759156056).

Almost surely, 230154245540 is an apocalyptic number.

30154245540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30154245540 is an abundant number, since it is smaller than the sum of its proper divisors (54285245148).

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

30154245540 is a wasteful number, since it uses less digits than its factorization.

30154245540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45268 (or 45266 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 30154245540 in words is "thirty billion, one hundred fifty-four million, two hundred forty-five thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 19553 25703 39106 51406 58659 77109 78212 97765 102812 117318 128515 154218 195530 234636 257030 293295 308436 385545 391060 514060 586590 771090 1173180 1542180 502570759 1005141518 1507712277 2010283036 2512853795 3015424554 5025707590 6030849108 7538561385 10051415180 15077122770 30154245540