Base | Representation |
---|---|
bin | 1011010001111010101… |
… | …0100011011110010111 |
3 | 200112012102022101200221 |
4 | 2310132222203132113 |
5 | 11133334212001101 |
6 | 225005221215211 |
7 | 20000150552164 |
oct | 2643652433627 |
9 | 615172271627 |
10 | 193788000151 |
11 | 75204301829 |
12 | 31683261507 |
13 | 15374357215 |
14 | 954508906b |
15 | 5092e11aa1 |
hex | 2d1eaa3797 |
193788000151 has 8 divisors (see below), whose sum is σ = 204954137600. Its totient is φ = 182718539640.
The previous prime is 193788000139. The next prime is 193788000173. The reversal of 193788000151 is 151000887391.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-193788000151 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 193788000098 and 193788000107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (193788000101) 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, 24165111 + ... + 24173128.
It is an arithmetic number, because the mean of its divisors is an integer number (25619267200).
Almost surely, 2193788000151 is an apocalyptic number.
193788000151 is the 196870-th centered decagonal number.
193788000151 is a deficient number, since it is larger than the sum of its proper divisors (11166137449).
193788000151 is a wasteful number, since it uses less digits than its factorization.
193788000151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48338469.
The product of its (nonzero) digits is 60480, while the sum is 43.
The spelling of 193788000151 in words is "one hundred ninety-three billion, seven hundred eighty-eight million, one hundred fifty-one", and thus it is an aban number.
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