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1300121742 = 23216686957
BaseRepresentation
bin100110101111110…
…0100100010001110
310100121102000202010
41031133210202032
510130312343432
6333002042050
744134565253
oct11537444216
93317360663
101300121742
11607980787
123034a9326
1317947b50a
14c495342a
15792163cc
hex4d7e488e

1300121742 has 8 divisors (see below), whose sum is σ = 2600243496. Its totient is φ = 433373912.

The previous prime is 1300121717. The next prime is 1300121761. The reversal of 1300121742 is 2471210031.

1300121742 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

1300121742 is an admirable number.

It is a super-2 number, since 2×13001217422 = 3380633088042229128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108343473 + ... + 108343484.

It is an arithmetic number, because the mean of its divisors is an integer number (325030437).

Almost surely, 21300121742 is an apocalyptic number.

1300121742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1300121742 is a wasteful number, since it uses less digits than its factorization.

1300121742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216686962.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1300121742 is about 36057.2009728986. The cubic root of 1300121742 is about 1091.4269508060.

Adding to 1300121742 its reverse (2471210031), we get a palindrome (3771331773).

It can be divided in two parts, 13001 and 21742, that added together give a palindrome (34743).

The spelling of 1300121742 in words is "one billion, three hundred million, one hundred twenty-one thousand, seven hundred forty-two".

Divisors: 1 2 3 6 216686957 433373914 650060871 1300121742