Search a number
-
+
1201713201090 = 23254312710932237
BaseRepresentation
bin10001011111001011101…
…100000011111111000010
311020212211110101202001200
4101133023230003333002
5124142102034413330
62320020500242030
7152551400446263
oct21371354037702
94225743352050
101201713201090
11423709856466
12174a973a0316
1389423506b6c
144223dc8896a
15213d52eaa60
hex117cbb03fc2

1201713201090 has 192 divisors, whose sum is σ = 3226680078336. Its totient is φ = 310116957696.

The previous prime is 1201713201061. The next prime is 1201713201097. The reversal of 1201713201090 is 901023171021.

It is a super-2 number, since 2×12017132010902 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201713201097) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 537197452 + ... + 537199688.

It is an arithmetic number, because the mean of its divisors is an integer number (16805625408).

Almost surely, 21201713201090 is an apocalyptic number.

1201713201090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201713201090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613340039168).

1201713201090 is an abundant number, since it is smaller than the sum of its proper divisors (2024966877246).

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

1201713201090 is a wasteful number, since it uses less digits than its factorization.

1201713201090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513 (or 3510 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The spelling of 1201713201090 in words is "one trillion, two hundred one billion, seven hundred thirteen million, two hundred one thousand, ninety".