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998962769101 = 111812511998961
BaseRepresentation
bin11101000100101101101…
…00100010110011001101
310112111111102200122011211
432202112310202303031
5112331333432102401
62042530035014421
7132113141302153
oct16422664426315
93474442618154
10998962769101
11355726492a80
1214173273a411
137328142434b
14364c87a73d3
151aeba67d951
hexe896d22ccd

998962769101 has 16 divisors (see below), whose sum is σ = 1100164718016. Its totient is φ = 899532000000.

The previous prime is 998962769099. The next prime is 998962769111. The reversal of 998962769101 is 101967269899.

998962769101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a 4-Lehmer number, since φ(998962769101) divides (998962769101-1)4.

It is a cyclic number.

It is not a de Polignac number, because 998962769101 - 21 = 998962769099 is a prime.

It is a super-2 number, since 2×9989627691012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998962769111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499740 + ... + 1499221.

It is an arithmetic number, because the mean of its divisors is an integer number (68760294876).

Almost surely, 2998962769101 is an apocalyptic number.

998962769101 is the 499741-st decagonal number.

It is an amenable number.

998962769101 is a deficient number, since it is larger than the sum of its proper divisors (101201948915).

998962769101 is a wasteful number, since it uses less digits than its factorization.

998962769101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999404.

The product of its (nonzero) digits is 26453952, while the sum is 67.

The spelling of 998962769101 in words is "nine hundred ninety-eight billion, nine hundred sixty-two million, seven hundred sixty-nine thousand, one hundred one".

Divisors: 1 11 181 251 1991 2761 45431 499741 1998961 21988571 361811941 501739211 3979931351 5519131321 90814797191 998962769101