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155112103414400 = 27521137302339397
BaseRepresentation
bin100011010001001011011001…
…110100110000101010000000
3202100012120110011221102022212
4203101023121310300222000
5130312324041433230100
61305521303325521252
744446323343623506
oct4321133164605200
9670176404842285
10155112103414400
1145472745682240
1215491921713228
136872015b42082
142a43674480676
1512dec4d737635
hex8d12d9d30a80

155112103414400 has 384 divisors, whose sum is σ = 429459960303360. Its totient is φ = 54860411289600.

The previous prime is 155112103414381. The next prime is 155112103414427. The reversal of 155112103414400 is 4414301211551.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3937135502 + ... + 3937174898.

It is an arithmetic number, because the mean of its divisors is an integer number (1118385313290).

Almost surely, 2155112103414400 is an apocalyptic number.

155112103414400 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 155112103414400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214729980151680).

155112103414400 is an abundant number, since it is smaller than the sum of its proper divisors (274347856888960).

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

155112103414400 is a wasteful number, since it uses less digits than its factorization.

155112103414400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42492 (or 42475 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 155112103414400 its reverse (4414301211551), we get a palindrome (159526404625951).

The spelling of 155112103414400 in words is "one hundred fifty-five trillion, one hundred twelve billion, one hundred three million, four hundred fourteen thousand, four hundred".