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147255143420 = 2257111723244553
BaseRepresentation
bin1000100100100100010…
…1110010101111111100
3112002002110112100111202
42021021011302233330
54403034304042140
6151351552435032
713432056031640
oct2111105625774
9462073470452
10147255143420
11574a5764840
1224657548a78
1310b699bb778
1471ad002c20
153c6cb38915
hex2249172bfc

147255143420 has 192 divisors, whose sum is σ = 425970026496. Its totient is φ = 41319505920.

The previous prime is 147255143401. The next prime is 147255143459. The reversal of 147255143420 is 24341552741.

147255143420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 479864 + ... + 724416.

It is an arithmetic number, because the mean of its divisors is an integer number (2218593888).

Almost surely, 2147255143420 is an apocalyptic number.

147255143420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147255143420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212985013248).

147255143420 is an abundant number, since it is smaller than the sum of its proper divisors (278714883076).

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

147255143420 is a wasteful number, since it uses less digits than its factorization.

147255143420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244620 (or 244618 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 147255143420 in words is "one hundred forty-seven billion, two hundred fifty-five million, one hundred forty-three thousand, four hundred twenty".