Search a number
-
+
10121354430100 = 2252269376258529
BaseRepresentation
bin1001001101001000111110…
…1111000100011010010100
31022211120222121000001010121
42103102033233010122110
52311312013213230400
633305404103401324
72063146412105434
oct223221757043224
938746877001117
1010121354430100
113252495792561
121175705153244
13585593b27504
1426dc3a2c42c4
1512842dc8b21a
hex9348fbc4694

10121354430100 has 36 divisors (see below), whose sum is σ = 22044987272700. Its totient is φ = 4033491420160.

The previous prime is 10121354430097. The next prime is 10121354430139. The reversal of 10121354430100 is 103445312101.

It can be written as a sum of positive squares in 6 ways, for example, as 408520392336 + 9712834037764 = 639156^2 + 3116542^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188102365 + ... + 188156164.

It is an arithmetic number, because the mean of its divisors is an integer number (612360757575).

Almost surely, 210121354430100 is an apocalyptic number.

10121354430100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121354430100 is an abundant number, since it is smaller than the sum of its proper divisors (11923632842600).

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

10121354430100 is a wasteful number, since it uses less digits than its factorization.

10121354430100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376258812 (or 376258805 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 10121354430100 its reverse (103445312101), we get a palindrome (10224799742201).

The spelling of 10121354430100 in words is "ten trillion, one hundred twenty-one billion, three hundred fifty-four million, four hundred thirty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 269 538 1076 1345 2690 5380 6725 13450 26900 376258529 752517058 1505034116 1881292645 3762585290 7525170580 9406463225 18812926450 37625852900 101213544301 202427088602 404854177204 506067721505 1012135443010 2024270886020 2530338607525 5060677215050 10121354430100