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23308710030 = 23251715234451
BaseRepresentation
bin10101101101010011…
…101011000010001110
32020011102110011010200
4111231103223002032
5340214012210110
614412522314330
71453416523554
oct255523530216
966142404120
1023308710030
119981182921
1246260589a6
132276019618
1411b18cbbd4
1591648e6c0
hex56d4eb08e

23308710030 has 48 divisors (see below), whose sum is σ = 64167511824. Its totient is φ = 5850028800.

The previous prime is 23308710017. The next prime is 23308710041. The reversal of 23308710030 is 3001780332.

It is a junction number, because it is equal to n+sod(n) for n = 23308709976 and 23308710003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7615696 + ... + 7618755.

It is an arithmetic number, because the mean of its divisors is an integer number (1336823163).

Almost surely, 223308710030 is an apocalyptic number.

23308710030 is an abundant number, since it is smaller than the sum of its proper divisors (40858801794).

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

23308710030 is a wasteful number, since it uses less digits than its factorization.

23308710030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15234481 (or 15234478 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The spelling of 23308710030 in words is "twenty-three billion, three hundred eight million, seven hundred ten thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 17 18 30 34 45 51 85 90 102 153 170 255 306 510 765 1530 15234451 30468902 45703353 76172255 91406706 137110059 152344510 228516765 258985667 274220118 457033530 517971334 685550295 776957001 1294928335 1371100590 1553914002 2330871003 2589856670 3884785005 4661742006 7769570010 11654355015 23308710030