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2768979200625 = 325411220172
BaseRepresentation
bin101000010010110100000…
…001011000101001110001
3100210201012220212201002100
4220102310001120221301
5330331332133410000
65520015042011013
7404023612601541
oct50226401305161
910721186781070
102768979200625
11978354631900
12388791646a69
13171162808551
149803ada7321
154c062c56a00
hex284b4058a71

2768979200625 has 135 divisors (see below), whose sum is σ = 5496334987143. Its totient is φ = 1341869760000.

The previous prime is 2768979200597. The next prime is 2768979200737. The reversal of 2768979200625 is 5260029798672.

The square root of 2768979200625 is 1664025.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 1114648181361 + 1654331019264 = 1055769^2 + 1286208^2 .

It is not a de Polignac number, because 2768979200625 - 211 = 2768979198577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1372819617 + ... + 1372821633.

Almost surely, 22768979200625 is an apocalyptic number.

2768979200625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2768979200625 is the 1664025-th square number.

2768979200625 is the 832013-rd centered octagonal number.

It is an amenable number.

2768979200625 is a deficient number, since it is larger than the sum of its proper divisors (2727355786518).

2768979200625 is an frugal number, since it uses more digits than its factorization.

2768979200625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 2768979200625 in words is "two trillion, seven hundred sixty-eight billion, nine hundred seventy-nine million, two hundred thousand, six hundred twenty-five".

Divisors: 1 3 5 9 11 15 25 33 45 55 75 99 121 125 165 225 275 363 375 495 605 625 825 1089 1125 1375 1815 1875 2017 2475 3025 4125 5445 5625 6051 6875 9075 10085 12375 15125 18153 20625 22187 27225 30255 45375 50425 61875 66561 75625 90765 110935 136125 151275 199683 226875 244057 252125 332805 453825 554675 680625 732171 756375 998415 1220285 1260625 1664025 2196513 2269125 2773375 3660855 3781875 4068289 4992075 6101425 8320125 10982565 11345625 12204867 13866875 18304275 20341445 24960375 30507125 36614601 41600625 44751179 54912825 61024335 91521375 101707225 124801875 134253537 152535625 183073005 223755895 274564125 305121675 402760611 457606875 492262969 508536125 671267685 915365025 1118779475 1372820625 1476788907 1525608375 2013803055 2461314845 2542680625 3356338425 4430366721 4576825125 5593897375 7383944535 7628041875 10069015275 12306574225 16781692125 22151833605 22884125625 27969486875 36919722675 50345076375 61532871125 83908460625 110759168025 184598613375 251725381875 307664355625 553795840125 922993066875 2768979200625