Search a number
-
+
53254988730 = 23354334713219
BaseRepresentation
bin110001100110001111…
…101010001110111010
312002110102122201202000
4301212033222032322
51333031234114410
640244235121430
73563464635546
oct614617521672
9162412581660
1053254988730
1120649064289
12a3a2ba3276
135039222568
142812b50a26
1515ba505dc0
hexc663ea3ba

53254988730 has 128 divisors (see below), whose sum is σ = 145745740800. Its totient is φ = 13830046272.

The previous prime is 53254988719. The next prime is 53254988741. The reversal of 53254988730 is 3788945235.

53254988730 is a `hidden beast` number, since 53 + 25 + 498 + 87 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (53254988719) and next prime (53254988741).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 4022061 + ... + 4035279.

It is an arithmetic number, because the mean of its divisors is an integer number (1138638600).

Almost surely, 253254988730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53254988730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72872870400).

53254988730 is an abundant number, since it is smaller than the sum of its proper divisors (92490752070).

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

53254988730 is a wasteful number, since it uses less digits than its factorization.

53254988730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13625 (or 13619 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 53254988730 in words is "fifty-three billion, two hundred fifty-four million, nine hundred eighty-eight thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 43 45 54 86 90 129 135 215 258 270 347 387 430 645 694 774 1041 1161 1290 1735 1935 2082 2322 3123 3470 3870 5205 5805 6246 9369 10410 11610 13219 14921 15615 18738 26438 29842 31230 39657 44763 46845 66095 74605 79314 89526 93690 118971 132190 134289 149210 198285 223815 237942 268578 356913 396570 402867 447630 568417 594855 671445 713826 805734 1136834 1189710 1342890 1705251 1784565 2014335 2842085 3410502 3569130 4028670 4586993 5115753 5684170 8526255 9173986 10231506 13760979 15347259 17052510 22934965 25578765 27521958 30694518 41282937 45869930 51157530 68804895 76736295 82565874 123848811 137609790 153472590 197240699 206414685 247697622 394481398 412829370 591722097 619244055 986203495 1183444194 1238488110 1775166291 1972406990 2958610485 3550332582 5325498873 5917220970 8875831455 10650997746 17751662910 26627494365 53254988730