Search a number
-
+
2145102023401 = 4761748204403
BaseRepresentation
bin11111001101110010000…
…010110100101011101001
321121001212211220101001221
4133031302002310223221
5240121132104222101
64321240220542041
7310656425232121
oct37156202645351
97531784811057
102145102023401
11757807195697
122a789a3b1921
1312738915670c
1475b75939c81
153abebaa9aa1
hex1f3720b4ae9

2145102023401 has 8 divisors (see below), whose sum is σ = 2226656306304. Its totient is φ = 2065044149520.

The previous prime is 2145102023347. The next prime is 2145102023413. The reversal of 2145102023401 is 1043202015412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2145102023401 - 225 = 2145068468969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145102023461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374099335 + ... + 374105068.

It is an arithmetic number, because the mean of its divisors is an integer number (278332038288).

Almost surely, 22145102023401 is an apocalyptic number.

It is an amenable number.

2145102023401 is a deficient number, since it is larger than the sum of its proper divisors (81554282903).

2145102023401 is an equidigital number, since it uses as much as digits as its factorization.

2145102023401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748204511.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2145102023401 its reverse (1043202015412), we get a palindrome (3188304038813).

The spelling of 2145102023401 in words is "two trillion, one hundred forty-five billion, one hundred two million, twenty-three thousand, four hundred one".

Divisors: 1 47 61 2867 748204403 35165606941 45640468583 2145102023401