Search a number
-
+
619752370040068 = 222930713173955421
BaseRepresentation
bin1000110011101010010101011…
…1110111010110110100000100
310000021100202012020220100000111
42030322211113313112310010
51122213010323212240233
610034034150333122404
7244353426322335106
oct21472452767266404
93007322166810014
10619752370040068
1116a52155aa81a31
12596141b2929404
13207a7522a5a745
14ad08263779576
154b9b2ac343acd
hex233a957dd6d04

619752370040068 has 24 divisors (see below), whose sum is σ = 1122002034574680. Its totient is φ = 299181056106240.

The previous prime is 619752370039991. The next prime is 619752370040119. The reversal of 619752370040068 is 860040073257916.

It can be written as a sum of positive squares in 4 ways, for example, as 87312989716164 + 532439380323904 = 9344142^2 + 23074648^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a junction number, because it is equal to n+sod(n) for n = 619752370039994 and 619752370040021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83415003 + ... + 90540418.

It is an arithmetic number, because the mean of its divisors is an integer number (46750084773945).

It is a 2-persistent number, because it is pandigital, and so is 2⋅619752370040068 = 1239504740080136, but 3⋅619752370040068 = 1859257110120204 is not.

Almost surely, 2619752370040068 is an apocalyptic number.

It is an amenable number.

619752370040068 is a deficient number, since it is larger than the sum of its proper divisors (502249664534612).

619752370040068 is a wasteful number, since it uses less digits than its factorization.

619752370040068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173986167 (or 173986165 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 619752370040068 in words is "six hundred nineteen trillion, seven hundred fifty-two billion, three hundred seventy million, forty thousand, sixty-eight".

Divisors: 1 2 4 29 58 116 30713 61426 122852 890677 1781354 3562708 173955421 347910842 695821684 5044707209 10089414418 20178828836 5342692845173 10685385690346 21370771380692 154938092510017 309876185020034 619752370040068