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131004510400 = 2652671222057
BaseRepresentation
bin111101000000001111…
…0100011000011000000
3110112010221002122211201
41322000132203003000
54121244123313100
6140103241150544
712315261652051
oct1720036430300
9415127078751
10131004510400
11506166a3715
122148118b454
13c47a03099a
1464aaa6c728
15361b13636a
hex1e807a30c0

131004510400 has 84 divisors (see below), whose sum is σ = 327164479528. Its totient is φ = 51619645440.

The previous prime is 131004510397. The next prime is 131004510421. The reversal of 131004510400 is 4015400131.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 503829 + ... + 718228.

Almost surely, 2131004510400 is an apocalyptic number.

131004510400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131004510400 is an abundant number, since it is smaller than the sum of its proper divisors (196159969128).

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

131004510400 is a wasteful number, since it uses less digits than its factorization.

131004510400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222146 (or 1222131 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 131004510400 its reverse (4015400131), we get a palindrome (135019910531).

The spelling of 131004510400 in words is "one hundred thirty-one billion, four million, five hundred ten thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 67 80 100 134 160 200 268 320 335 400 536 670 800 1072 1340 1600 1675 2144 2680 3350 4288 5360 6700 10720 13400 21440 26800 53600 107200 1222057 2444114 4888228 6110285 9776456 12220570 19552912 24441140 30551425 39105824 48882280 61102850 78211648 81877819 97764560 122205700 163755638 195529120 244411400 327511276 391058240 409389095 488822800 655022552 818778190 977645600 1310045104 1637556380 1955291200 2046945475 2620090208 3275112760 4093890950 5240180416 6550225520 8187781900 13100451040 16375563800 26200902080 32751127600 65502255200 131004510400