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2231398848 = 26373311093
BaseRepresentation
bin1000010100000000…
…0111000111000000
312202111202210202210
42011000013013000
514032214230343
61005230342120
7106203402000
oct20500070700
95674683683
102231398848
11a45625a88
1252335a940
132973a6263
141724d2000
15d0d70333
hex850071c0

2231398848 has 224 divisors, whose sum is σ = 7113625600. Its totient is φ = 616412160.

The previous prime is 2231398787. The next prime is 2231398861. The reversal of 2231398848 is 8488931322.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-3 number, since 3×22313988483 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 2231398797 and 2231398806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2040990 + ... + 2042082.

Almost surely, 22231398848 is an apocalyptic number.

2231398848 is a gapful number since it is divisible by the number (28) 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 2231398848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3556812800).

2231398848 is an abundant number, since it is smaller than the sum of its proper divisors (4882226752).

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

2231398848 is a wasteful number, since it uses less digits than its factorization.

2231398848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1136 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 2231398848 is about 47237.6846172629. The cubic root of 2231398848 is about 1306.7496772660.

The spelling of 2231398848 in words is "two billion, two hundred thirty-one million, three hundred ninety-eight thousand, eight hundred forty-eight".