Search a number
-
+
220120121210010 = 23575716011833781
BaseRepresentation
bin110010000011001010110101…
…101000011111010010011010
31001212101021111201100021121020
4302003022311220133102122
5212322422002012210020
62100053442050023310
764236103542642660
oct6203126550372232
91055337451307536
10220120121210010
11641564679a336a
1220830907277b36
1395a93138b8878
143c4dc2933ac30
151a6ac6986ec40
hexc832b5a1f49a

220120121210010 has 64 divisors (see below), whose sum is σ = 603759432248064. Its totient is φ = 50313055104000.

The previous prime is 220120121209909. The next prime is 220120121210107. The reversal of 220120121210010 is 10012121021022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119119320 + ... + 120953100.

It is an arithmetic number, because the mean of its divisors is an integer number (9433741128876).

Almost surely, 2220120121210010 is an apocalyptic number.

220120121210010 is an abundant number, since it is smaller than the sum of its proper divisors (383639311038054).

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

220120121210010 is a wasteful number, since it uses less digits than its factorization.

220120121210010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405399.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220120121210010 its reverse (10012121021022), we get a palindrome (230132242231032).

The spelling of 220120121210010 in words is "two hundred twenty trillion, one hundred twenty billion, one hundred twenty-one million, two hundred ten thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 571601 1143202 1714803 1833781 2858005 3429606 3667562 4001207 5501343 5716010 8002414 8574015 9168905 11002686 12003621 12836467 17148030 18337810 20006035 24007242 25672934 27506715 38509401 40012070 55013430 60018105 64182335 77018802 120036210 128364670 192547005 385094010 1048191053381 2096382106762 3144573160143 5240955266905 6289146320286 7337337373667 10481910533810 14674674747334 15722865800715 22012012121001 31445731601430 36686686868335 44024024242002 73373373736670 110060060605005 220120121210010