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30540645400 = 2352152703227
BaseRepresentation
bin11100011100010111…
…010100010000011000
32220211102121112102211
4130130113110100120
51000021401123100
622010304004504
72130553126336
oct343427242030
986742545384
1030540645400
1111a52441a11
125b04000734
132b593ab715
14169a180b56
15bdb3201ba
hex71c5d4418

30540645400 has 24 divisors (see below), whose sum is σ = 71007001020. Its totient is φ = 12216258080.

The previous prime is 30540645341. The next prime is 30540645407. The reversal of 30540645400 is 454604503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30540645407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76351414 + ... + 76351813.

Almost surely, 230540645400 is an apocalyptic number.

It is an amenable number.

30540645400 is an abundant number, since it is smaller than the sum of its proper divisors (40466355620).

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

30540645400 is a wasteful number, since it uses less digits than its factorization.

30540645400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152703243 (or 152703234 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 30540645400 in words is "thirty billion, five hundred forty million, six hundred forty-five thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 152703227 305406454 610812908 763516135 1221625816 1527032270 3054064540 3817580675 6108129080 7635161350 15270322700 30540645400