Search a number
-
+
131000104021340 = 22523319186543059
BaseRepresentation
bin11101110010010011010110…
…101010100110110101011100
3122011211111011111011112201002
4131302103112222212311130
5114132301203112140330
61142340341134005432
736410305461501641
oct3562232652466534
9564744144145632
10131000104021340
1138816917610974
1212838845946878
1358133452719c8
14244c620361dc8
15102293000ae45
hex7724d6aa6d5c

131000104021340 has 48 divisors (see below), whose sum is σ = 296321132943360. Its totient is φ = 48504947346240.

The previous prime is 131000104021327. The next prime is 131000104021351. The reversal of 131000104021340 is 43120401000131.

It is a super-2 number, since 2×1310001040213402 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 4593257270 + ... + 4593285789.

It is an arithmetic number, because the mean of its divisors is an integer number (6173356936320).

Almost surely, 2131000104021340 is an apocalyptic number.

131000104021340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131000104021340 is an abundant number, since it is smaller than the sum of its proper divisors (165321028922020).

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

131000104021340 is a wasteful number, since it uses less digits than its factorization.

131000104021340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9186543122 (or 9186543120 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131000104021340 its reverse (43120401000131), we get a palindrome (174120505021471).

The spelling of 131000104021340 in words is "one hundred thirty-one trillion, one hundred four million, twenty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 23 31 46 62 92 115 124 155 230 310 460 620 713 1426 2852 3565 7130 14260 9186543059 18373086118 36746172236 45932715295 91865430590 183730861180 211290490357 284782834829 422580980714 569565669658 845161961428 1056452451785 1139131339316 1423914174145 2112904903570 2847828348290 4225809807140 5695656696580 6550005201067 13100010402134 26200020804268 32750026005335 65500052010670 131000104021340