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1206728614144 = 287129672
BaseRepresentation
bin10001100011110110101…
…000010110000100000000
311021100202222210010100201
4101203312220112010000
5124232340011123034
62322210302054544
7153116600656624
oct21436650260400
94240688703321
101206728614144
11425852930529
12175a56b7a454
1389a426010b1
1442597ddd184
15215ca799014
hex118f6a16100

1206728614144 has 81 divisors (see below), whose sum is σ = 2445676374351. Its totient is φ = 594251051520.

The previous prime is 1206728614141. The next prime is 1206728614229. The reversal of 1206728614144 is 4414168276021.

The square root of 1206728614144 is 1098512.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1206728614094 and 1206728614103.

It is not an unprimeable number, because it can be changed into a prime (1206728614141) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1247909149 + ... + 1247910115.

Almost surely, 21206728614144 is an apocalyptic number.

1206728614144 is the 1098512-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1206728614144

1206728614144 is an abundant number, since it is smaller than the sum of its proper divisors (1238947760207).

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

1206728614144 is an frugal number, since it uses more digits than its factorization.

1206728614144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 1206728614144 in words is "one trillion, two hundred six billion, seven hundred twenty-eight million, six hundred fourteen thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 71 128 142 256 284 568 967 1136 1934 2272 3868 4544 5041 7736 9088 10082 15472 18176 20164 30944 40328 61888 68657 80656 123776 137314 161312 247552 274628 322624 549256 645248 935089 1098512 1290496 1870178 2197024 3740356 4394048 4874647 7480712 8788096 9749294 14961424 17576192 19498588 29922848 38997176 59845696 66391319 77994352 119691392 132782638 155988704 239382784 265565276 311977408 531130552 623954816 1062261104 1247909632 2124522208 4249044416 4713783649 8498088832 9427567298 16996177664 18855134596 37710269192 75420538384 150841076768 301682153536 603364307072 1206728614144