Base | Representation |
---|---|
bin | 1101110101011101001001… |
… | …0011000111000010100110 |
3 | 1222212020211221201012111211 |
4 | 3131113102103013002212 |
5 | 3443213142344420240 |
6 | 52204144424222034 |
7 | 3130013503423156 |
oct | 335272223070246 |
9 | 58766757635454 |
10 | 15212007420070 |
11 | 493541568113a |
12 | 185823260a91a |
13 | 8646420a0936 |
14 | 3a839d586766 |
15 | 1b5a74d22bea |
hex | dd5d24c70a6 |
15212007420070 has 16 divisors (see below), whose sum is σ = 27381673951200. Its totient is φ = 6084789502464.
The previous prime is 15212007420053. The next prime is 15212007420109. The reversal of 15212007420070 is 7002470021251.
15212007420070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3963631 + ... + 6792229.
It is an arithmetic number, because the mean of its divisors is an integer number (1711354621950).
Almost surely, 215212007420070 is an apocalyptic number.
15212007420070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15212007420070 is a deficient number, since it is larger than the sum of its proper divisors (12169666531130).
15212007420070 is a wasteful number, since it uses less digits than its factorization.
15212007420070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3366399.
The product of its (nonzero) digits is 7840, while the sum is 31.
The spelling of 15212007420070 in words is "fifteen trillion, two hundred twelve billion, seven million, four hundred twenty thousand, seventy".
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