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154553104020 = 223573172915233
BaseRepresentation
bin1000111111110000010…
…1010011011010010100
3112202221001221011101210
42033330011103122110
510013011043312040
6155000053221420
714110653465000
oct2177405233224
9482831834353
10154553104020
115a60021a637
1225b53631870
131176095a153
1476a2361700
1540486ac480
hex23fc153694

154553104020 has 384 divisors, whose sum is σ = 552811392000. Its totient is φ = 32099794944.

The previous prime is 154553103989. The next prime is 154553104021. The reversal of 154553104020 is 20401355451.

154553104020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154553104021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10138324 + ... + 10153556.

It is an arithmetic number, because the mean of its divisors is an integer number (1439613000).

Almost surely, 2154553104020 is an apocalyptic number.

154553104020 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 154553104020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276405696000).

154553104020 is an abundant number, since it is smaller than the sum of its proper divisors (398258287980).

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

154553104020 is a wasteful number, since it uses less digits than its factorization.

154553104020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15312 (or 15296 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 154553104020 its reverse (20401355451), we get a palindrome (174954459471).

The spelling of 154553104020 in words is "one hundred fifty-four billion, five hundred fifty-three million, one hundred four thousand, twenty".