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102440430204 = 223723251211247
BaseRepresentation
bin101111101100111101…
…1001110101001111100
3100210102020202001010120
41133121323032221330
53134244222231304
6115021021534540
710254366201240
oct1373173165174
9323366661116
10102440430204
113a498a52472
1217a2b114450
1398772b2998
144d5b206420
1529e85ea0d9
hex17d9ecea7c

102440430204 has 96 divisors (see below), whose sum is σ = 286188650496. Its totient is φ = 27884472000.

The previous prime is 102440430199. The next prime is 102440430259. The reversal of 102440430204 is 402034044201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379309 + ... + 590555.

It is an arithmetic number, because the mean of its divisors is an integer number (2981131776).

Almost surely, 2102440430204 is an apocalyptic number.

102440430204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102440430204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143094325248).

102440430204 is an abundant number, since it is smaller than the sum of its proper divisors (183748220292).

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

102440430204 is a wasteful number, since it uses less digits than its factorization.

102440430204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211535 (or 211533 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 102440430204 its reverse (402034044201), we get a palindrome (504474474405).

The spelling of 102440430204 in words is "one hundred two billion, four hundred forty million, four hundred thirty thousand, two hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 69 84 92 138 161 251 276 322 483 502 644 753 966 1004 1506 1757 1932 3012 3514 5271 5773 7028 10542 11546 17319 21084 23092 34638 40411 69276 80822 121233 161644 211247 242466 422494 484932 633741 844988 1267482 1478729 2534964 2957458 4436187 4858681 5914916 8872374 9717362 14576043 17744748 19434724 29152086 34010767 53022997 58304172 68021534 102032301 106045994 136043068 159068991 204064602 212091988 318137982 371160979 408129204 636275964 742321958 1113482937 1219528931 1484643916 2226965874 2439057862 3658586793 4453931748 4878115724 7317173586 8536702517 14634347172 17073405034 25610107551 34146810068 51220215102 102440430204