Base | Representation |
---|---|
bin | 100001101101110001100100… |
… | …111011100001011111100110 |
3 | 201110000112112220010202011000 |
4 | 201231301210323201133212 |
5 | 123413414240412034030 |
6 | 1243211230044054130 |
7 | 43142646662025612 |
oct | 4155614473413746 |
9 | 643015486122130 |
10 | 148281144252390 |
11 | 43279753281496 |
12 | 14769a67234346 |
13 | 6497b0c831746 |
14 | 2888bba764342 |
15 | 12221ed56c860 |
hex | 86dc64ee17e6 |
148281144252390 has 32 divisors (see below), whose sum is σ = 395416384673760. Its totient is φ = 39541638467232.
The previous prime is 148281144252379. The next prime is 148281144252403. The reversal of 148281144252390 is 93252441182841.
148281144252390 is a `hidden beast` number, since 1 + 4 + 8 + 28 + 1 + 1 + 4 + 4 + 2 + 523 + 90 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274594711309 + ... + 274594711848.
It is an arithmetic number, because the mean of its divisors is an integer number (12356762021055).
Almost surely, 2148281144252390 is an apocalyptic number.
148281144252390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
148281144252390 is an abundant number, since it is smaller than the sum of its proper divisors (247135240421370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148281144252390 is a wasteful number, since it uses less digits than its factorization.
148281144252390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 549189423173 (or 549189423167 counting only the distinct ones).
The product of its (nonzero) digits is 4423680, while the sum is 54.
The spelling of 148281144252390 in words is "one hundred forty-eight trillion, two hundred eighty-one billion, one hundred forty-four million, two hundred fifty-two thousand, three hundred ninety".
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