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30412154634 = 2373653106331
BaseRepresentation
bin11100010100101101…
…001010011100001010
32220111110211112020120
4130110231022130022
5444241002422014
621545434004110
72124433022601
oct342455123412
986443745216
1030412154634
11119969609a4
125a88b76636
132b388a0b94
141687094a38
15bcedddba9
hex714b4a70a

30412154634 has 32 divisors (see below), whose sum is σ = 61752521664. Its totient is φ = 9983111040.

The previous prime is 30412154627. The next prime is 30412154723. The reversal of 30412154634 is 43645121403.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30412154595 and 30412154604.

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, 232849 + ... + 339179.

It is an arithmetic number, because the mean of its divisors is an integer number (1929766302).

Almost surely, 230412154634 is an apocalyptic number.

30412154634 is an abundant number, since it is smaller than the sum of its proper divisors (31340367030).

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

30412154634 is a wasteful number, since it uses less digits than its factorization.

30412154634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107062.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 30412154634 in words is "thirty billion, four hundred twelve million, one hundred fifty-four thousand, six hundred thirty-four".

Divisors: 1 2 3 6 73 146 219 438 653 1306 1959 3918 47669 95338 106331 143007 212662 286014 318993 637986 7762163 15524326 23286489 46572978 69434143 138868286 208302429 416604858 5068692439 10137384878 15206077317 30412154634