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31401000204100 = 22524317342211319
BaseRepresentation
bin1110010001111000111010…
…11101100111011101000100
311010011220110200202012001021
413020330131131213131010
513103433222023012400
6150441230443440524
76420435025550212
oct710743535473504
9133156420665037
1031401000204100
11a0070a8aa14aa
123631883526144
13146a142325167
147a7b60757cb2
15396c2ab5a71a
hex1c8f1d767744

31401000204100 has 72 divisors (see below), whose sum is σ = 70127860904640. Its totient is φ = 12197382449280.

The previous prime is 31401000204083. The next prime is 31401000204107. The reversal of 31401000204100 is 140200010413.

It is not an unprimeable number, because it can be changed into a prime (31401000204107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20361760 + ... + 21849559.

It is an arithmetic number, because the mean of its divisors is an integer number (973998068120).

Almost surely, 231401000204100 is an apocalyptic number.

It is an amenable number.

31401000204100 is an abundant number, since it is smaller than the sum of its proper divisors (38726860700540).

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

31401000204100 is a wasteful number, since it uses less digits than its factorization.

31401000204100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42211549 (or 42211542 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 31401000204100 its reverse (140200010413), we get a palindrome (31541200214513).

The spelling of 31401000204100 in words is "thirty-one trillion, four hundred one billion, two hundred four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 43 50 86 100 172 173 215 346 430 692 860 865 1075 1730 2150 3460 4300 4325 7439 8650 14878 17300 29756 37195 74390 148780 185975 371950 743900 42211319 84422638 168845276 211056595 422113190 844226380 1055282975 1815086717 2110565950 3630173434 4221131900 7260346868 7302558187 9075433585 14605116374 18150867170 29210232748 36301734340 36512790935 45377167925 73025581870 90754335850 146051163740 181508671700 182563954675 314010002041 365127909350 628020004082 730255818700 1256040008164 1570050010205 3140100020410 6280200040820 7850250051025 15700500102050 31401000204100