Search a number
-
+
30154835736220 = 22513167694491841
BaseRepresentation
bin1101101101100111110000…
…10001011011011010011100
310221202202220100110010101011
412312303320101123122130
512423024100422024340
6144044535034225004
76231420640416616
oct666637021333234
9127682810403334
1030154835736220
119676659702418
123470261585164
1313a97867c5b90
1476370507ddb6
153745e31b40ea
hex1b6cf845b69c

30154835736220 has 48 divisors (see below), whose sum is σ = 68604682120128. Its totient is φ = 11067421962240.

The previous prime is 30154835736203. The next prime is 30154835736239. The reversal of 30154835736220 is 2263753845103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347202501 + ... + 347289340.

It is an arithmetic number, because the mean of its divisors is an integer number (1429264210836).

Almost surely, 230154835736220 is an apocalyptic number.

It is an amenable number.

30154835736220 is an abundant number, since it is smaller than the sum of its proper divisors (38449846383908).

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

30154835736220 is a wasteful number, since it uses less digits than its factorization.

30154835736220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694492030 (or 694492028 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 30154835736220 in words is "thirty trillion, one hundred fifty-four billion, eight hundred thirty-five million, seven hundred thirty-six thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 167 260 334 668 835 1670 2171 3340 4342 8684 10855 21710 43420 694491841 1388983682 2777967364 3472459205 6944918410 9028393933 13889836820 18056787866 36113575732 45141969665 90283939330 115980137447 180567878660 231960274894 463920549788 579900687235 1159801374470 1507741786811 2319602748940 3015483573622 6030967147244 7538708934055 15077417868110 30154835736220