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1351020000 = 25354112389
BaseRepresentation
bin101000010000110…
…1110110111100000
310111011011221000210
41100201232313200
510231330120000
6342021014120
745323323551
oct12041566740
93434157023
101351020000
11633685360
12318554340
13186b8c725
14cb602328
157d91c350
hex5086ede0

1351020000 has 480 divisors, whose sum is σ = 5101367040. Its totient is φ = 309760000.

The previous prime is 1351019993. The next prime is 1351020007. The reversal of 1351020000 is 201531.

It is an interprime number because it is at equal distance from previous prime (1351019993) and next prime (1351020007).

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351020007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15179956 + ... + 15180044.

It is an arithmetic number, because the mean of its divisors is an integer number (10627848).

Almost surely, 21351020000 is an apocalyptic number.

1351020000 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 1351020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2550683520).

1351020000 is an abundant number, since it is smaller than the sum of its proper divisors (3750347040).

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

1351020000 is a wasteful number, since it uses less digits than its factorization.

1351020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1351020000 is about 36756.2239627522. The cubic root of 1351020000 is about 1105.4877285654.

Adding to 1351020000 its reverse (201531), we get a palindrome (1351221531).

The spelling of 1351020000 in words is "one billion, three hundred fifty-one million, twenty thousand".