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155426121624494 = 2721585980832903
BaseRepresentation
bin100011010101101111110110…
…110001001010101110101110
3202101022120222122121022012102
4203111233312301022232232
5130333000144113440434
61310321435145535102
744511111120440300
oct4325576661125656
9671276878538172
10155426121624494
1145583936785236
12155227597a4492
13689580ac87346
142a54943279970
1512e7ecb92507e
hex8d5bf6c4abae

155426121624494 has 12 divisors (see below), whose sum is σ = 271202722426584. Its totient is φ = 66611194981884.

The previous prime is 155426121624469. The next prime is 155426121624509. The reversal of 155426121624494 is 494426121624551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 792990416354 + ... + 792990416549.

It is an arithmetic number, because the mean of its divisors is an integer number (22600226868882).

Almost surely, 2155426121624494 is an apocalyptic number.

155426121624494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

155426121624494 is a deficient number, since it is larger than the sum of its proper divisors (115776600802090).

155426121624494 is a wasteful number, since it uses less digits than its factorization.

155426121624494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585980832919 (or 1585980832912 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 56.

The spelling of 155426121624494 in words is "one hundred fifty-five trillion, four hundred twenty-six billion, one hundred twenty-one million, six hundred twenty-four thousand, four hundred ninety-four".

Divisors: 1 2 7 14 49 98 1585980832903 3171961665806 11101865830321 22203731660642 77713060812247 155426121624494