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1298696942 = 215112913331
BaseRepresentation
bin100110101101000…
…1000101011101110
310100111201122021202
41031122020223232
510124431300232
6332511325502
744116512314
oct11532105356
93314648252
101298696942
11607098264
12302b20892
1317909cb3a
14c46a20b4
1579034162
hex4d688aee

1298696942 has 16 divisors (see below), whose sum is σ = 1963054464. Its totient is φ = 644355000.

The previous prime is 1298696941. The next prime is 1298696947. The reversal of 1298696942 is 2496968921.

It is a happy number.

It is a super-2 number, since 2×12986969422 = 3373227494320302728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298696941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388217 + ... + 391547.

It is an arithmetic number, because the mean of its divisors is an integer number (122690904).

Almost surely, 21298696942 is an apocalyptic number.

1298696942 is a deficient number, since it is larger than the sum of its proper divisors (664357522).

1298696942 is a wasteful number, since it uses less digits than its factorization.

1298696942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775.

The product of its digits is 3359232, while the sum is 56.

The square root of 1298696942 is about 36037.4380609943. The cubic root of 1298696942 is about 1091.0281077645.

The spelling of 1298696942 in words is "one billion, two hundred ninety-eight million, six hundred ninety-six thousand, nine hundred forty-two".

Divisors: 1 2 151 302 1291 2582 3331 6662 194941 389882 502981 1005962 4300321 8600642 649348471 1298696942