Search a number
-
+
121608548028470 = 2573931215272613
BaseRepresentation
bin11011101001101000110010…
…010011101001000000110110
3120221120122220210200100112202
4123221220302103221000312
5111414413301243402340
61110350110135344502
734420633120632056
oct3351506223510066
9527518823610482
10121608548028470
1135825994040a38
1211780674822132
1352b1838295b09
142205c56b1d566
15e0d4b63d8c15
hex6e9a324e9036

121608548028470 has 32 divisors (see below), whose sum is σ = 219261864094560. Its totient is φ = 48562021946880.

The previous prime is 121608548028449. The next prime is 121608548028493. The reversal of 121608548028470 is 74820845806121.

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, 20427884 + ... + 25700496.

It is an arithmetic number, because the mean of its divisors is an integer number (6851933252955).

Almost surely, 2121608548028470 is an apocalyptic number.

121608548028470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121608548028470 is a deficient number, since it is larger than the sum of its proper divisors (97653316066090).

121608548028470 is a wasteful number, since it uses less digits than its factorization.

121608548028470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5276480.

The product of its (nonzero) digits is 6881280, while the sum is 56.

The spelling of 121608548028470 in words is "one hundred twenty-one trillion, six hundred eight billion, five hundred forty-eight million, twenty-eight thousand, four hundred seventy".

Divisors: 1 2 5 10 739 1478 3121 3695 6242 7390 15605 31210 2306419 4612838 5272613 10545226 11532095 23064190 26363065 52726130 3896461007 7792922014 16455825173 19482305035 32911650346 38964610070 82279125865 164558251730 12160854802847 24321709605694 60804274014235 121608548028470