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13402323542 = 261109855111
BaseRepresentation
bin11000111101101011…
…10011101001010110
31021121000211120121102
430132311303221112
5204421443323132
610053522150102
7653056604366
oct143665635126
937530746542
1013402323542
115758298053
1227204b2332
131357847a7a
14911d769a6
15536923c62
hex31ed73a56

13402323542 has 8 divisors (see below), whose sum is σ = 20433050832. Its totient is φ = 6591306600.

The previous prime is 13402323533. The next prime is 13402323547. The reversal of 13402323542 is 24532320431.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402323547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54927434 + ... + 54927677.

It is an arithmetic number, because the mean of its divisors is an integer number (2554131354).

Almost surely, 213402323542 is an apocalyptic number.

13402323542 is a deficient number, since it is larger than the sum of its proper divisors (7030727290).

13402323542 is a wasteful number, since it uses less digits than its factorization.

13402323542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109855174.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 13402323542 its reverse (24532320431), we get a palindrome (37934643973).

The spelling of 13402323542 in words is "thirteen billion, four hundred two million, three hundred twenty-three thousand, five hundred forty-two".

Divisors: 1 2 61 122 109855111 219710222 6701161771 13402323542