Search a number
-
+
2153053015020 = 223452023365687
BaseRepresentation
bin11111010101001011111…
…101011100101111101100
321121211101222002121010000
4133111023331130233230
5240233423032440040
64325033210144300
7311360442444525
oct37251375345754
97554358077100
102153053015020
1176011732a346
122a9339122090
1312805549a89b
14762cb8c784c
153b014b24130
hex1f54bf5cbec

2153053015020 has 120 divisors (see below), whose sum is σ = 6754643701344. Its totient is φ = 574110353664.

The previous prime is 2153053014979. The next prime is 2153053015033. The reversal of 2153053015020 is 205103503512.

It is a happy number.

2153053015020 is a `hidden beast` number, since 2 + 1 + 5 + 305 + 301 + 50 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32744617 + ... + 32810303.

Almost surely, 22153053015020 is an apocalyptic number.

2153053015020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2153053015020 is an abundant number, since it is smaller than the sum of its proper divisors (4601590686324).

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

2153053015020 is a wasteful number, since it uses less digits than its factorization.

2153053015020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85941 (or 85930 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 2153053015020 its reverse (205103503512), we get a palindrome (2358156518532).

The spelling of 2153053015020 in words is "two trillion, one hundred fifty-three billion, fifty-three million, fifteen thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 20233 40466 60699 65687 80932 101165 121398 131374 182097 197061 202330 242796 262748 303495 328435 364194 394122 404660 546291 591183 606990 656870 728388 788244 910485 985305 1092582 1182366 1213980 1313740 1638873 1773549 1820970 1970610 2185164 2364732 2731455 2955915 3277746 3547098 3641940 3941220 5320647 5462910 5911830 6555492 7094196 8194365 8867745 10641294 10925820 11823660 16388730 17735490 21282588 26603235 32777460 35470980 53206470 106412940 1329045071 2658090142 3987135213 5316180284 6645225355 7974270426 11961405639 13290450710 15948540852 19935676065 23922811278 26580901420 35884216917 39871352130 47845622556 59807028195 71768433834 79742704260 107652650751 119614056390 143536867668 179421084585 215305301502 239228112780 358842169170 430610603004 538263253755 717684338340 1076526507510 2153053015020