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151223431430 = 25192297346501
BaseRepresentation
bin1000110011010110011…
…1100111000100000110
3112110100000120021021202
42030311213213010012
54434201144301210
6153245430542502
713632312646511
oct2146547470406
9473300507252
10151223431430
1159151759305
1225384507a32
131134cb88b96
14746805dd78
153e011e79a5
hex23359e7106

151223431430 has 32 divisors (see below), whose sum is σ = 286654174560. Its totient is φ = 57280608000.

The previous prime is 151223431393. The next prime is 151223431433. The reversal of 151223431430 is 34134322151.

It is a junction number, because it is equal to n+sod(n) for n = 151223431393 and 151223431402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151223431433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263180 + ... + 609680.

It is an arithmetic number, because the mean of its divisors is an integer number (8957942955).

Almost surely, 2151223431430 is an apocalyptic number.

151223431430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151223431430 is a deficient number, since it is larger than the sum of its proper divisors (135430743130).

151223431430 is a wasteful number, since it uses less digits than its factorization.

151223431430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348824.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 151223431430 its reverse (34134322151), we get a palindrome (185357753581).

The spelling of 151223431430 in words is "one hundred fifty-one billion, two hundred twenty-three million, four hundred thirty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 2297 4594 11485 22970 43643 87286 218215 346501 436430 693002 1732505 3465010 6583519 13167038 32917595 65835190 795912797 1591825594 3979563985 7959127970 15122343143 30244686286 75611715715 151223431430