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272494238730 = 23576724237993
BaseRepresentation
bin1111110111000111101…
…1000001110000001010
3222001100120222120200020
43331301323001300022
513431032011114410
6325103201121310
725454442545460
oct3756173016012
9861316876606
10272494238730
11a562299179a
1244989929236
131c90842981c
14d290088830
15714ca23a70
hex3f71ec1c0a

272494238730 has 128 divisors (see below), whose sum is σ = 758976196608. Its totient is φ = 61321784832.

The previous prime is 272494238713. The next prime is 272494238749. The reversal of 272494238730 is 37832494272.

It is a super-2 number, since 2×2724942387302 (a number of 24 digits) contains 22 as substring.

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, 34087614 + ... + 34095606.

It is an arithmetic number, because the mean of its divisors is an integer number (5929501536).

Almost surely, 2272494238730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272494238730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379488098304).

272494238730 is an abundant number, since it is smaller than the sum of its proper divisors (486481957878).

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

272494238730 is a wasteful number, since it uses less digits than its factorization.

272494238730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10500.

The product of its (nonzero) digits is 4064256, while the sum is 51.

It can be divided in two parts, 2724942 and 38730, that added together give a palindrome (2763672).

The spelling of 272494238730 in words is "two hundred seventy-two billion, four hundred ninety-four million, two hundred thirty-eight thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 67 70 105 134 201 210 335 402 469 670 938 1005 1407 2010 2345 2423 2814 4690 4846 7035 7269 7993 12115 14070 14538 15986 16961 23979 24230 33922 36345 39965 47958 50883 55951 72690 79930 84805 101766 111902 119895 162341 167853 169610 239790 254415 279755 324682 335706 487023 508830 535531 559510 811705 839265 974046 1071062 1136387 1606593 1623410 1678530 2272774 2435115 2677655 3213186 3409161 3748717 4870230 5355310 5681935 6818322 7497434 8032965 11246151 11363870 16065930 17045805 18743585 19367039 22492302 34091610 37487170 38734078 56230755 58101117 96835195 112461510 116202234 135569273 193670390 271138546 290505585 406707819 581011170 677846365 813415638 1297591613 1355692730 2033539095 2595183226 3892774839 4067078190 6487958065 7785549678 9083141291 12975916130 18166282582 19463874195 27249423873 38927748390 45415706455 54498847746 90831412910 136247119365 272494238730