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155042433461500 = 225313371438744809
BaseRepresentation
bin100011010000001010100001…
…001010111110110011111100
3202022221220121202122002221221
4203100022201022332303330
5130310203400431232000
61305425302145003124
744441306015036344
oct4320124112766374
9668856552562857
10155042433461500
1145446143817472
12154803193234a4
136868591bb5a80
142a4014561dd24
1512dd0220bd61a
hex8d02a12becfc

155042433461500 has 192 divisors, whose sum is σ = 374549864008320. Its totient is φ = 55694121523200.

The previous prime is 155042433461483. The next prime is 155042433461519. The reversal of 155042433461500 is 5164334240551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3460051096 + ... + 3460095904.

It is an arithmetic number, because the mean of its divisors is an integer number (1950780541710).

Almost surely, 2155042433461500 is an apocalyptic number.

155042433461500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155042433461500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187274932004160).

155042433461500 is an abundant number, since it is smaller than the sum of its proper divisors (219507430546820).

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

155042433461500 is a wasteful number, since it uses less digits than its factorization.

155042433461500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59265 (or 59253 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 155042433461500 in words is "one hundred fifty-five trillion, forty-two billion, four hundred thirty-three million, four hundred sixty-one thousand, five hundred".