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253911600972 = 22325371226399
BaseRepresentation
bin1110110001111001001…
…1111000111101001100
3220021101112110202220100
43230132103320331030
513130002332212342
6312351222451100
724226110666141
oct3543623707514
9807345422810
10253911600972
119875752aa27
1241262593a90
131ac3659c293
14c40a1143c8
15691142be4c
hex3b1e4f8f4c

253911600972 has 108 divisors (see below), whose sum is σ = 663307444800. Its totient is φ = 81867589440.

The previous prime is 253911600827. The next prime is 253911600973. The reversal of 253911600972 is 279006119352.

It is a happy number.

253911600972 is a `hidden beast` number, since 2 + 5 + 39 + 1 + 1 + 600 + 9 + 7 + 2 = 666.

253911600972 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2539116009722 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253911600973) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9605029 + ... + 9631427.

It is an arithmetic number, because the mean of its divisors is an integer number (6141735600).

Almost surely, 2253911600972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253911600972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331653722400).

253911600972 is an abundant number, since it is smaller than the sum of its proper divisors (409395843828).

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

253911600972 is a wasteful number, since it uses less digits than its factorization.

253911600972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26604 (or 26528 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 253911600972 in words is "two hundred fifty-three billion, nine hundred eleven million, six hundred thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 53 71 106 142 159 212 213 284 318 426 477 636 639 852 954 1278 1908 2556 3763 5041 7526 10082 11289 15052 15123 20164 22578 26399 30246 33867 45156 45369 52798 60492 67734 79197 90738 105596 135468 158394 181476 237591 267173 316788 475182 534346 801519 950364 1068692 1399147 1603038 1874329 2404557 2798294 3206076 3748658 4197441 4809114 5596588 5622987 7497316 8394882 9618228 11245974 12592323 16789764 16868961 22491948 25184646 33737922 50369292 67475844 99339437 133077359 198678874 266154718 298018311 397357748 399232077 532309436 596036622 798464154 894054933 1192073244 1197696231 1596928308 1788109866 2395392462 3576219732 4790784924 7053100027 14106200054 21159300081 28212400108 42318600162 63477900243 84637200324 126955800486 253911600972