Search a number
-
+
25930911552 = 2637131484141
BaseRepresentation
bin11000001001100110…
…100100111101000000
32110221011120210101120
4120021212210331000
5411101303132202
615525033232240
71605410053140
oct301146447500
973834523346
1025930911552
11aaa7361717
125038262680
1325a3363a60
14137dc6c920
15a1b7a80bc
hex6099a4f40

25930911552 has 112 divisors (see below), whose sum is σ = 84441743232. Its totient is φ = 6838917120.

The previous prime is 25930911547. The next prime is 25930911553. The reversal of 25930911552 is 25511903952.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25930911553) 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, 724599 + ... + 759542.

It is an arithmetic number, because the mean of its divisors is an integer number (753944136).

Almost surely, 225930911552 is an apocalyptic number.

It is an amenable number.

25930911552 is an abundant number, since it is smaller than the sum of its proper divisors (58510831680).

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

25930911552 is a wasteful number, since it uses less digits than its factorization.

25930911552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484176 (or 1484166 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 42.

The spelling of 25930911552 in words is "twenty-five billion, nine hundred thirty million, nine hundred eleven thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 78 84 91 96 104 112 156 168 182 192 208 224 273 312 336 364 416 448 546 624 672 728 832 1092 1248 1344 1456 2184 2496 2912 4368 5824 8736 17472 1484141 2968282 4452423 5936564 8904846 10388987 11873128 17809692 19293833 20777974 23746256 31166961 35619384 38587666 41555948 47492512 57881499 62333922 71238768 77175332 83111896 94985024 115762998 124667844 135056831 142477536 154350664 166223792 231525996 249335688 270113662 284955072 308701328 332447584 405170493 463051992 498671376 540227324 617402656 664895168 810340986 926103984 997342752 1080454648 1234805312 1620681972 1852207968 1994685504 2160909296 3241363944 3704415936 4321818592 6482727888 8643637184 12965455776 25930911552