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15412020312 = 2331349397501
BaseRepresentation
bin11100101101010000…
…01100010001011000
31110210002102202022010
432112220030101120
5223030434122222
611025153025520
71053632003553
oct162650142130
943702382263
1015412020312
116599757a77
122ba15552a0
1315b8008960
14a62c3769a
1560309e80c
hex396a0c458

15412020312 has 32 divisors (see below), whose sum is σ = 41493901680. Its totient is φ = 4742160000.

The previous prime is 15412020277. The next prime is 15412020313. The reversal of 15412020312 is 21302021451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15412020313) 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, 24698439 + ... + 24699062.

Almost surely, 215412020312 is an apocalyptic number.

15412020312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15412020312 is an abundant number, since it is smaller than the sum of its proper divisors (26081881368).

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

15412020312 is a wasteful number, since it uses less digits than its factorization.

15412020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49397523 (or 49397519 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 15412020312 its reverse (21302021451), we get a palindrome (36714041763).

The spelling of 15412020312 in words is "fifteen billion, four hundred twelve million, twenty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 49397501 98795002 148192503 197590004 296385006 395180008 592770012 642167513 1185540024 1284335026 1926502539 2568670052 3853005078 5137340104 7706010156 15412020312