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3130155432 = 2332173251297
BaseRepresentation
bin1011101010010010…
…0110000110101000
322002010221101000200
42322210212012220
522402304433212
61234334032200
7140365611405
oct27244460650
98063841020
103130155432
111366989118
12734348660
133ab6559a1
14219a072ac
15134c036dc
hexba9261a8

3130155432 has 48 divisors (see below), whose sum is σ = 8526541140. Its totient is φ = 1037349888.

The previous prime is 3130155421. The next prime is 3130155433. The reversal of 3130155432 is 2345510313.

It can be written as a sum of positive squares in 2 ways, for example, as 3100930596 + 29224836 = 55686^2 + 5406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3130155396 and 3130155405.

It is not an unprimeable number, because it can be changed into a prime (3130155433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113193 + ... + 138104.

Almost surely, 23130155432 is an apocalyptic number.

It is an amenable number.

3130155432 is an abundant number, since it is smaller than the sum of its proper divisors (5396385708).

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

3130155432 is a wasteful number, since it uses less digits than its factorization.

3130155432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251482 (or 251475 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 3130155432 is about 55947.7920207759. The cubic root of 3130155432 is about 1462.8124047067.

Adding to 3130155432 its reverse (2345510313), we get a palindrome (5475665745).

The spelling of 3130155432 in words is "three billion, one hundred thirty million, one hundred fifty-five thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 173 346 519 692 1038 1384 1557 2076 3114 4152 6228 12456 251297 502594 753891 1005188 1507782 2010376 2261673 3015564 4523346 6031128 9046692 18093384 43474381 86948762 130423143 173897524 260846286 347795048 391269429 521692572 782538858 1043385144 1565077716 3130155432