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23351434454 = 2192235113757
BaseRepresentation
bin10101101111110110…
…101001110011010110
32020021101211210000202
4111233312221303112
5340310431400304
614421050140502
71454445626555
oct255766516326
966241753022
1023351434454
1199a3304367
124638421732
132281b2824a
1411b744dd9c
1591a0cd81e
hex56fda9cd6

23351434454 has 24 divisors (see below), whose sum is σ = 36986126688. Its totient is φ = 11055697200.

The previous prime is 23351434423. The next prime is 23351434471. The reversal of 23351434454 is 45443415332.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1690544 + ... + 1704300.

It is an arithmetic number, because the mean of its divisors is an integer number (1541088612).

Almost surely, 223351434454 is an apocalyptic number.

23351434454 is a deficient number, since it is larger than the sum of its proper divisors (13634692234).

23351434454 is a wasteful number, since it uses less digits than its factorization.

23351434454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16148 (or 16129 counting only the distinct ones).

The product of its digits is 345600, while the sum is 38.

Adding to 23351434454 its reverse (45443415332), we get a palindrome (68794849786).

The spelling of 23351434454 in words is "twenty-three billion, three hundred fifty-one million, four hundred thirty-four thousand, four hundred fifty-four".

Divisors: 1 2 19 38 361 722 2351 4702 13757 27514 44669 89338 261383 522766 848711 1697422 4966277 9932554 32342707 64685414 614511433 1229022866 11675717227 23351434454