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1214919790756 = 227213126012
BaseRepresentation
bin10001101011011110110…
…111001101000010100100
311022010220211221000021021
4101223132313031002210
5124401123431301011
62330043151300524
7153526562555200
oct21533667150244
94263824830237
101214919790756
11429276604781
1217756221a744
138a74962c369
1442b33c2db00
1521909959471
hex11adedcd0a4

1214919790756 has 81 divisors (see below), whose sum is σ = 2496407052321. Its totient is φ = 515845512000.

The previous prime is 1214919790727. The next prime is 1214919790759. The reversal of 1214919790756 is 6570979194121.

The square root of 1214919790756 is 1102234.

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

It can be written as a sum of positive squares in only one way, i.e., 1021178965156 + 193740825600 = 1010534^2 + 440160^2 .

It is a super-3 number, since 3×12149197907563 (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1214919790694 and 1214919790703.

It is not an unprimeable number, because it can be changed into a prime (1214919790759) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2021496856 + ... + 2021497456.

Almost surely, 21214919790756 is an apocalyptic number.

1214919790756 is the 1102234-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214919790756

1214919790756 is an abundant number, since it is smaller than the sum of its proper divisors (1281487261565).

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

1214919790756 is an frugal number, since it uses more digits than its factorization.

1214919790756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 61.

The spelling of 1214919790756 in words is "one trillion, two hundred fourteen billion, nine hundred nineteen million, seven hundred ninety thousand, seven hundred fifty-six".

Divisors: 1 2 4 7 14 28 49 98 131 196 262 524 601 917 1202 1834 2404 3668 4207 6419 8414 12838 16828 17161 25676 29449 34322 58898 68644 78731 117796 120127 157462 240254 314924 361201 480508 551117 722402 840889 1102234 1444804 1681778 2204468 2528407 3363556 3857819 5056814 7715638 10113628 10313761 15431276 17698849 20627522 35397698 41255044 47317331 70795396 72196327 94634662 144392654 189269324 288785308 331221317 505374289 662442634 1010748578 1324885268 2021497156 2318549219 4637098438 6198570361 9274196876 12397140722 24794281444 43389992527 86779985054 173559970108 303729947689 607459895378 1214919790756