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252750057252 = 223711232517087
BaseRepresentation
bin1110101101100100010…
…0111100111100100100
3220011101120211020110120
43223121010330330210
513120113003313002
6312040050521540
724155245016250
oct3533104747444
9804346736416
10252750057252
11982108aaa40
1240b995962b0
131aaaca50ac4
14c339b55260
15689448acbc
hex3ad913cf24

252750057252 has 144 divisors (see below), whose sum is σ = 768632696832. Its totient is φ = 62794923840.

The previous prime is 252750057251. The next prime is 252750057319.

252750057252 is nontrivially palindromic in base 10.

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

It is not an unprimeable number, because it can be changed into a prime (252750057251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 230253 + ... + 747339.

Almost surely, 2252750057252 is an apocalyptic number.

252750057252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252750057252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384316348416).

252750057252 is an abundant number, since it is smaller than the sum of its proper divisors (515882639580).

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

252750057252 is a wasteful number, since it uses less digits than its factorization.

252750057252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517158 (or 517133 counting only the distinct ones).

The product of its (nonzero) digits is 490000, while the sum is 42.

The spelling of 252750057252 in words is "two hundred fifty-two billion, seven hundred fifty million, fifty-seven thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 23 28 33 42 44 46 66 69 77 84 92 132 138 154 161 231 253 276 308 322 462 483 506 529 644 759 924 966 1012 1058 1518 1587 1771 1932 2116 3036 3174 3542 3703 5313 5819 6348 7084 7406 10626 11109 11638 14812 17457 21252 22218 23276 34914 40733 44436 69828 81466 122199 162932 244398 488796 517087 1034174 1551261 2068348 3102522 3619609 5687957 6205044 7239218 10858827 11375914 11893001 14478436 17063871 21717654 22751828 23786002 34127742 35679003 39815699 43435308 47572004 68255484 71358006 79631398 83251007 119447097 130823011 142716012 159262796 166502014 238894194 249753021 261646022 273539023 333004028 392469033 477788388 499506042 523292044 547078046 784938066 820617069 915761077 999012084 1094156092 1569876132 1641234138 1831522154 1914773161 2747283231 3008929253 3282468276 3663044308 3829546322 5494566462 5744319483 6017858506 7659092644 9026787759 10989132924 11488638966 12035717012 18053575518 21062504771 22977277932 36107151036 42125009542 63187514313 84250019084 126375028626 252750057252