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23000255070 = 235132315116981
BaseRepresentation
bin10101011010111011…
…000000101001011110
32012100221001000110220
4111122323000221132
5334101031130240
614322143142210
71442652641142
oct253273005136
965327030426
1023000255070
119833054071
12455a8a4966
13222714b2b0
141182957222
158e93605d0
hex55aec0a5e

23000255070 has 128 divisors (see below), whose sum is σ = 62445938688. Its totient is φ = 5379264000.

The previous prime is 23000255027. The next prime is 23000255087. The reversal of 23000255070 is 7055200032.

It is a self number, because there is not a number n which added to its sum of digits gives 23000255070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1345980 + ... + 1362960.

It is an arithmetic number, because the mean of its divisors is an integer number (487858896).

Almost surely, 223000255070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23000255070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31222969344).

23000255070 is an abundant number, since it is smaller than the sum of its proper divisors (39445683618).

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

23000255070 is a wasteful number, since it uses less digits than its factorization.

23000255070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17178.

The product of its (nonzero) digits is 2100, while the sum is 24.

The spelling of 23000255070 in words is "twenty-three billion, two hundred fifty-five thousand, seventy".

Divisors: 1 2 3 5 6 10 13 15 23 26 30 39 46 65 69 78 115 130 138 151 195 230 299 302 345 390 453 598 690 755 897 906 1495 1510 1794 1963 2265 2990 3473 3926 4485 4530 5889 6946 8970 9815 10419 11778 16981 17365 19630 20838 29445 33962 34730 45149 50943 52095 58890 84905 90298 101886 104190 135447 169810 220753 225745 254715 270894 390563 441506 451490 509430 662259 677235 781126 1103765 1171689 1324518 1354470 1952815 2207530 2343378 2564131 3311295 3905630 5077319 5128262 5858445 6622590 7692393 10154638 11716890 12820655 15231957 15384786 25386595 25641310 30463914 33333703 38461965 50773190 58975013 66667406 76159785 76923930 100001109 117950026 152319570 166668515 176925039 200002218 294875065 333337030 353850078 500005545 589750130 766675169 884625195 1000011090 1533350338 1769250390 2300025507 3833375845 4600051014 7666751690 11500127535 23000255070