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133230100040 = 23512473267037
BaseRepresentation
bin111110000010100100…
…0011111111001001000
3110201220000221022212122
41330011020133321020
54140323401200130
6141112143230412
712424365110432
oct1740510377110
9421800838778
10133230100040
1151558a110a4
12219a25a8408
13c743151a2b
14663c48b652
1536eb70a2e5
hex1f0521fe48

133230100040 has 32 divisors (see below), whose sum is σ = 299792881080. Its totient is φ = 53287567872.

The previous prime is 133230100039. The next prime is 133230100043. The reversal of 133230100040 is 40001032331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 102795901924 + 30434198116 = 320618^2 + 174454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133230099991 and 133230100018.

It is not an unprimeable number, because it can be changed into a prime (133230100043) 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, 365402 + ... + 632438.

Almost surely, 2133230100040 is an apocalyptic number.

133230100040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133230100040 is an abundant number, since it is smaller than the sum of its proper divisors (166562781040).

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

133230100040 is a wasteful number, since it uses less digits than its factorization.

133230100040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279521 (or 279517 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 133230100040 its reverse (40001032331), we get a palindrome (173231132371).

The spelling of 133230100040 in words is "one hundred thirty-three billion, two hundred thirty million, one hundred thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 12473 24946 49892 62365 99784 124730 249460 267037 498920 534074 1068148 1335185 2136296 2670370 5340740 10681480 3330752501 6661505002 13323010004 16653762505 26646020008 33307525010 66615050020 133230100040