Search a number
-
+
146048625615978 = 232194013106414843
BaseRepresentation
bin100001001101010010011000…
…011100110010010001101010
3201011010010000211110022200100
4201031102120130302101222
5123120330041124202403
61234341451245450230
742522444043516431
oct4115223034622152
9634103024408610
10146048625615978
1142598968753688
1214469251270976
136365431b60117
14280cb11086118
1511d40d73342a3
hex84d49873246a

146048625615978 has 48 divisors (see below), whose sum is σ = 333176363376480. Its totient is φ = 46109125379232.

The previous prime is 146048625615967. The next prime is 146048625615983. The reversal of 146048625615978 is 879516526840641.

146048625615978 is a `hidden beast` number, since 1 + 4 + 6 + 0 + 4 + 8 + 6 + 2 + 561 + 59 + 7 + 8 = 666.

It is a super-2 number, since 2×1460486256159782 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51834976 + ... + 54579867.

It is an arithmetic number, because the mean of its divisors is an integer number (6941174237010).

Almost surely, 2146048625615978 is an apocalyptic number.

146048625615978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

146048625615978 is an abundant number, since it is smaller than the sum of its proper divisors (187127737760502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146048625615978 is a wasteful number, since it uses less digits than its factorization.

146048625615978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106418883 (or 106418880 counting only the distinct ones).

The product of its (nonzero) digits is 696729600, while the sum is 72.

The spelling of 146048625615978 in words is "one hundred forty-six trillion, forty-eight billion, six hundred twenty-five million, six hundred fifteen thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 4013 8026 12039 24078 36117 72234 76247 152494 228741 457482 686223 1372446 106414843 212829686 319244529 638489058 957733587 1915467174 2021882017 4043764034 6065646051 12131292102 18196938153 36393876306 427042764959 854085529918 1281128294877 2562256589754 3843384884631 7686769769262 8113812534221 16227625068442 24341437602663 48682875205326 73024312807989 146048625615978