Search a number
-
+
2681742204 = 2232337221047
BaseRepresentation
bin1001111111011000…
…0010001101111100
320220220011121201100
42133312002031330
520443011222304
61122035013100
7123312301251
oct23766021574
96826147640
102681742204
111156856679
1262a13a190
1333979330b
141b623d428
1510a67a439
hex9fd8237c

2681742204 has 36 divisors (see below), whose sum is σ = 6798994384. Its totient is φ = 891257472.

The previous prime is 2681742199. The next prime is 2681742209. The reversal of 2681742204 is 4022471862.

2681742204 is a `hidden beast` number, since 268 + 174 + 220 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2681742199) and next prime (2681742209).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681742209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98392 + ... + 122655.

Almost surely, 22681742204 is an apocalyptic number.

It is an amenable number.

2681742204 is an abundant number, since it is smaller than the sum of its proper divisors (4117252180).

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

2681742204 is a wasteful number, since it uses less digits than its factorization.

2681742204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221394 (or 221389 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 2681742204 is about 51785.5404915310. The cubic root of 2681742204 is about 1389.3308381324.

The spelling of 2681742204 in words is "two billion, six hundred eighty-one million, seven hundred forty-two thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 337 674 1011 1348 2022 3033 4044 6066 12132 221047 442094 663141 884188 1326282 1989423 2652564 3978846 7957692 74492839 148985678 223478517 297971356 446957034 670435551 893914068 1340871102 2681742204