Base | Representation |
---|---|
bin | 10010001000101000… |
… | …010111001101110100 |
3 | 1212021001021210010001 |
4 | 102020220113031310 |
5 | 304334332321122 |
6 | 12540111441044 |
7 | 1256352361510 |
oct | 221050271564 |
9 | 55231253101 |
10 | 19472151412 |
11 | 829258161a |
12 | 3935226184 |
13 | 1ab4221bac |
14 | d2a161140 |
15 | 78e751527 |
hex | 488a17374 |
19472151412 has 48 divisors (see below), whose sum is σ = 39409759872. Its totient is φ = 8245923840.
The previous prime is 19472151409. The next prime is 19472151421. The reversal of 19472151412 is 21415127491.
It is a super-2 number, since 2×194721514122 (a number of 21 digits) 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 15 ways as a sum of consecutive naturals, for example, 1037988 + ... + 1056580.
It is an arithmetic number, because the mean of its divisors is an integer number (821036664).
Almost surely, 219472151412 is an apocalyptic number.
It is an amenable number.
19472151412 is an abundant number, since it is smaller than the sum of its proper divisors (19937608460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19472151412 is a wasteful number, since it uses less digits than its factorization.
19472151412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19048 (or 19046 counting only the distinct ones).
The product of its digits is 20160, while the sum is 37.
The spelling of 19472151412 in words is "nineteen billion, four hundred seventy-two million, one hundred fifty-one thousand, four hundred twelve".
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