Search a number
-
+
310001022000 = 243253371912437
BaseRepresentation
bin1001000001011011000…
…00000011010000110000
31002122011111121120210100
410200231200003100300
520034340230201000
6354225033432400
731253054132025
oct4405540032060
91078144546710
10310001022000
1110a51a54a13a
12500b686b700
1323304ab62c7
141100b48d54c
1580e56bea00
hex482d803430

310001022000 has 480 divisors, whose sum is σ = 1118273854464. Its totient is φ = 79978752000.

The previous prime is 310001021843. The next prime is 310001022013. The reversal of 310001022000 is 220100013.

It is a happy number.

It is a super-2 number, since 2×3100010220002 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 127204782 + ... + 127207218.

Almost surely, 2310001022000 is an apocalyptic number.

310001022000 is a gapful number since it is divisible by the number (30) 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 310001022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559136927232).

310001022000 is an abundant number, since it is smaller than the sum of its proper divisors (808272832464).

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

310001022000 is a wasteful number, since it uses less digits than its factorization.

310001022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694 (or 2675 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 310001022000 its reverse (220100013), we get a palindrome (310221122013).

The spelling of 310001022000 in words is "three hundred ten billion, one million, twenty-two thousand".