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151131214 = 21359831187
BaseRepresentation
bin10010000001000…
…01010001001110
3101112101021001101
421000201101032
5302142144324
622555133314
73513410533
oct1100412116
9345337041
10151131214
1178345133
124274423a
1325406a70
1416100d8a
15d404944
hex902144e

151131214 has 32 divisors (see below), whose sum is σ = 251475840. Its totient is φ = 67687392.

The previous prime is 151131191. The next prime is 151131257. The reversal of 151131214 is 412131151.

It is a super-2 number, since 2×1511312142 = 45681287690227592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151131191 and 151131200.

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, 126729 + ... + 127915.

It is an arithmetic number, because the mean of its divisors is an integer number (7858620).

Almost surely, 2151131214 is an apocalyptic number.

151131214 is a deficient number, since it is larger than the sum of its proper divisors (100344626).

151131214 is a wasteful number, since it uses less digits than its factorization.

151131214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344.

The product of its digits is 120, while the sum is 19.

The square root of 151131214 is about 12293.5435900313. The cubic root of 151131214 is about 532.6616012721.

Adding to 151131214 its reverse (412131151), we get a palindrome (563262365).

The spelling of 151131214 in words is "one hundred fifty-one million, one hundred thirty-one thousand, two hundred fourteen".

Divisors: 1 2 13 26 59 83 118 166 767 1079 1187 1534 2158 2374 4897 9794 15431 30862 63661 70033 98521 127322 140066 197042 910429 1280773 1820858 2561546 5812739 11625478 75565607 151131214