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162143842154 = 27471132180701
BaseRepresentation
bin1001011100000010000…
…1101010111101101010
3120111112002020121120012
42113000201222331222
510124032310422104
6202253213131522
714500034626610
oct2270041527552
9514462217505
10162143842154
1162845a76538
1227511789ba2
13123a0468088
147bc25336b0
15433ecb4d6e
hex25c086af6a

162143842154 has 32 divisors (see below), whose sum is σ = 286387232256. Its totient is φ = 67409798400.

The previous prime is 162143842117. The next prime is 162143842169. The reversal of 162143842154 is 451248341261.

It is a happy number.

It is a super-2 number, since 2×1621438421542 (a number of 23 digits) contains 22 as substring.

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, 1015997 + ... + 1164704.

It is an arithmetic number, because the mean of its divisors is an integer number (8949601008).

Almost surely, 2162143842154 is an apocalyptic number.

162143842154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

162143842154 is a deficient number, since it is larger than the sum of its proper divisors (124243390102).

162143842154 is a wasteful number, since it uses less digits than its factorization.

162143842154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180870.

The product of its digits is 184320, while the sum is 41.

The spelling of 162143842154 in words is "one hundred sixty-two billion, one hundred forty-three million, eight hundred forty-two thousand, one hundred fifty-four".

Divisors: 1 2 7 14 47 94 113 226 329 658 791 1582 5311 10622 37177 74354 2180701 4361402 15264907 30529814 102492947 204985894 246419213 492838426 717450629 1434901258 1724934491 3449868982 11581703011 23163406022 81071921077 162143842154