Search a number
-
+
2191033152 = 26347112499
BaseRepresentation
bin1000001010011000…
…1000001101000000
312122200211000110000
42002212020031000
513441401030102
61001225240000
7105203321520
oct20246101500
95580730400
102191033152
11a24865700
12511933000
1328bc12129
1416adc5680
15cc54a01c
hex82988340

2191033152 has 420 divisors, whose sum is σ = 8175244000. Its totient is φ = 567959040.

The previous prime is 2191033147. The next prime is 2191033189. The reversal of 2191033152 is 2513301912.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4390599 + ... + 4391097.

Almost surely, 22191033152 is an apocalyptic number.

2191033152 is a gapful number since it is divisible by the number (22) 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 2191033152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4087622000).

2191033152 is an abundant number, since it is smaller than the sum of its proper divisors (5984210848).

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

2191033152 is a wasteful number, since it uses less digits than its factorization.

2191033152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 2191033152 is about 46808.4730791339. The cubic root of 2191033152 is about 1298.8220398487.

The spelling of 2191033152 in words is "two billion, one hundred ninety-one million, thirty-three thousand, one hundred fifty-two".