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30400034048 = 281943145349
BaseRepresentation
bin11100010011111110…
…111011010100000000
32220110122000201220222
4130103332323110000
5444224402042143
621544322122212
72124225011606
oct342376732400
986418021828
1030400034048
111199003258a
125a84ab0368
132b36219037
14168561b876
15bcdce7768
hex713fbb500

30400034048 has 72 divisors (see below), whose sum is σ = 65360988000. Its totient is φ = 14065035264.

The previous prime is 30400034023. The next prime is 30400034057. The reversal of 30400034048 is 84043000403.

It is a happy number.

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, 136478 + ... + 281826.

It is an arithmetic number, because the mean of its divisors is an integer number (907791500).

Almost surely, 230400034048 is an apocalyptic number.

30400034048 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30400034048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32680494000).

30400034048 is an abundant number, since it is smaller than the sum of its proper divisors (34960953952).

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

30400034048 is a wasteful number, since it uses less digits than its factorization.

30400034048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145427 (or 145413 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 30400034048 in words is "thirty billion, four hundred million, thirty-four thousand, forty-eight".

Divisors: 1 2 4 8 16 19 32 38 43 64 76 86 128 152 172 256 304 344 608 688 817 1216 1376 1634 2432 2752 3268 4864 5504 6536 11008 13072 26144 52288 104576 145349 209152 290698 581396 1162792 2325584 2761631 4651168 5523262 6250007 9302336 11046524 12500014 18604672 22093048 25000028 37209344 44186096 50000056 88372192 100000112 118750133 176744384 200000224 237500266 353488768 400000448 475000532 706977536 800000896 950001064 1600001792 1900002128 3800004256 7600008512 15200017024 30400034048