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13124042434 = 27537870641
BaseRepresentation
bin11000011100100000…
…01111111011000010
31020212122012102200201
430032100033323002
5203334223324214
610010141435414
7643140343246
oct141620177302
936778172621
1013124042434
1156251a8368
12266326bb6a
131311cb28a9
148c7018426
1551c2a5274
hex30e40fec2

13124042434 has 8 divisors (see below), whose sum is σ = 19688698188. Its totient is φ = 6561143040.

The previous prime is 13124042377. The next prime is 13124042447. The reversal of 13124042434 is 43424042131.

It can be written as a sum of positive squares in 2 ways, for example, as 11152416025 + 1971626409 = 105605^2 + 44403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420247 + ... + 450394.

Almost surely, 213124042434 is an apocalyptic number.

13124042434 is a deficient number, since it is larger than the sum of its proper divisors (6564655754).

13124042434 is an equidigital number, since it uses as much as digits as its factorization.

13124042434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878180.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 13124042434 its reverse (43424042131), we get a palindrome (56548084565).

The spelling of 13124042434 in words is "thirteen billion, one hundred twenty-four million, forty-two thousand, four hundred thirty-four".

Divisors: 1 2 7537 15074 870641 1741282 6562021217 13124042434