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30845025024 = 283114398317
BaseRepresentation
bin11100101110100000…
…011011101100000000
32221121122100121210020
4130232200123230000
51001132311300044
622100415533440
72141240246442
oct345640335400
987548317706
1030845025024
1112099237920
125b89b2a280
132ba7480ac8
1416c8774492
15c07de6a19
hex72e81bb00

30845025024 has 144 divisors (see below), whose sum is σ = 89770517760. Its totient is φ = 9324564480.

The previous prime is 30845025023. The next prime is 30845025073. The reversal of 30845025024 is 42052054803.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (30845025023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3704514 + ... + 3712830.

Almost surely, 230845025024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30845025024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44885258880).

30845025024 is an abundant number, since it is smaller than the sum of its proper divisors (58925492736).

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

30845025024 is a wasteful number, since it uses less digits than its factorization.

30845025024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8786 (or 8772 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 30845025024 its reverse (42052054803), we get a palindrome (72897079827).

The spelling of 30845025024 in words is "thirty billion, eight hundred forty-five million, twenty-five thousand, twenty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 439 528 704 768 878 1056 1317 1408 1756 2112 2634 2816 3512 4224 4829 5268 7024 8317 8448 9658 10536 14048 14487 16634 19316 21072 24951 28096 28974 33268 38632 42144 49902 56192 57948 66536 77264 84288 91487 99804 112384 115896 133072 154528 168576 182974 199608 231792 266144 274461 309056 337152 365948 399216 463584 532288 548922 618112 731896 798432 927168 1064576 1097844 1236224 1463792 1596864 1854336 2129152 2195688 2927584 3193728 3651163 3708672 4391376 5855168 6387456 7302326 8782752 10953489 11710336 14604652 17565504 21906978 23420672 29209304 35131008 40162793 43813956 58418608 70262016 80325586 87627912 116837216 120488379 160651172 175255824 233674432 240976758 321302344 350511648 467348864 481953516 642604688 701023296 934697728 963907032 1285209376 1402046592 1927814064 2570418752 2804093184 3855628128 5140837504 7711256256 10281675008 15422512512 30845025024