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122015330 = 2597125789
BaseRepresentation
bin1110100010111…
…00111001100010
322111121000120022
413101130321202
5222213442310
620035113442
73011053553
oct721347142
9274530508
10122015330
1162968a18
1234a42882
131c381328
14122c232a
15aaa2a55
hex745ce62

122015330 has 16 divisors (see below), whose sum is σ = 221893560. Its totient is φ = 48302592.

The previous prime is 122015329. The next prime is 122015371. The reversal of 122015330 is 33510221.

It can be written as a sum of positive squares in 4 ways, for example, as 93103201 + 28912129 = 9649^2 + 5377^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122015299 and 122015308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61925 + ... + 63864.

Almost surely, 2122015330 is an apocalyptic number.

122015330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122015330 is a deficient number, since it is larger than the sum of its proper divisors (99878230).

122015330 is a wasteful number, since it uses less digits than its factorization.

122015330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125893.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 122015330 is about 11046.0549518821. The cubic root of 122015330 is about 495.9883392377.

Adding to 122015330 its reverse (33510221), we get a palindrome (155525551).

The spelling of 122015330 in words is "one hundred twenty-two million, fifteen thousand, three hundred thirty".

Divisors: 1 2 5 10 97 194 485 970 125789 251578 628945 1257890 12201533 24403066 61007665 122015330