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131000030304432 = 2434166565056049
BaseRepresentation
bin11101110010010011010010…
…010001011001100010110000
3122011211110222100110100010020
4131302103102101121202300
5114132301030224220212
61142340325542003440
736410303605064562
oct3562232221314260
9564743870410106
10131000030304432
1138816889a41303
1212838825116580
135813332c01433
14244c614653332
1510229287e8d8c
hex7724d24598b0

131000030304432 has 40 divisors (see below), whose sum is σ = 346670811908400. Its totient is φ = 42601635870720.

The previous prime is 131000030304389. The next prime is 131000030304433. The reversal of 131000030304432 is 234403030000131.

It is a super-2 number, since 2×1310000303044322 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (131000030304433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33282526057 + ... + 33282529992.

It is an arithmetic number, because the mean of its divisors is an integer number (8666770297710).

Almost surely, 2131000030304432 is an apocalyptic number.

131000030304432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131000030304432 is an abundant number, since it is smaller than the sum of its proper divisors (215670781603968).

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

131000030304432 is a wasteful number, since it uses less digits than its factorization.

131000030304432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66565056101 (or 66565056095 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 131000030304432 its reverse (234403030000131), we get a palindrome (365403060304563).

The spelling of 131000030304432 in words is "one hundred thirty-one trillion, thirty million, three hundred four thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 41 48 82 123 164 246 328 492 656 984 1968 66565056049 133130112098 199695168147 266260224196 399390336294 532520448392 798780672588 1065040896784 1597561345176 2729167298009 3195122690352 5458334596018 8187501894027 10916669192036 16375003788054 21833338384072 32750007576108 43666676768144 65500015152216 131000030304432