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2490772256901 = 321924319079349
BaseRepresentation
bin100100001111101101100…
…110000111100010000101
322211010010012102122101200
4210033231212013202011
5311302100144210101
65144124525413113
7344644441600335
oct44175546074205
98733105378350
102490772256901
11880370006315
1234288a70a199
13150b569b2c16
14887a83370c5
1544bcd949986
hex243ed987885

2490772256901 has 72 divisors (see below), whose sum is σ = 3887863293600. Its totient is φ = 1535565148992.

The previous prime is 2490772256893. The next prime is 2490772256923. The reversal of 2490772256901 is 1096522770942.

2490772256901 is a `hidden beast` number, since 2 + 4 + 9 + 0 + 7 + 72 + 2 + 569 + 0 + 1 = 666.

It is not a de Polignac number, because 2490772256901 - 23 = 2490772256893 is a prime.

It is a super-2 number, since 2×24907722569012 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490772256971) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 266416575 + ... + 266425923.

It is an arithmetic number, because the mean of its divisors is an integer number (53998101300).

Almost surely, 22490772256901 is an apocalyptic number.

It is an amenable number.

2490772256901 is a deficient number, since it is larger than the sum of its proper divisors (1397091036699).

2490772256901 is a wasteful number, since it uses less digits than its factorization.

2490772256901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11343 (or 11321 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 2490772256901 in words is "two trillion, four hundred ninety billion, seven hundred seventy-two million, two hundred fifty-six thousand, nine hundred one".

Divisors: 1 3 9 19 43 57 129 171 361 387 817 1083 1907 2451 3249 5721 7353 9349 15523 17163 28047 36233 46569 82001 84141 108699 139707 177631 246003 326097 402007 532893 688427 738009 1206021 1558019 1598679 2065281 3374989 3618063 4674057 6195843 7638133 10124967 14022171 17828543 22914399 29602361 30374901 53485629 68743197 88807083 145124527 160456887 266421249 338742317 435373581 766627349 1016226951 1306120743 2299882047 3048680853 6436104023 6899646141 14565919631 19308312069 43697758893 57924936207 131093276679 276752472989 830257418967 2490772256901