Search a number
-
+
103502213440 = 265378741741
BaseRepresentation
bin110000001100100110…
…1100111000101000000
3100220011020200012220121
41200121031213011000
53143433031312230
6115314231350024
710322611204213
oct1403115470500
9326136605817
10103502213440
113a99333497a
1218086822314
1399b62726a2
14501c23777a
152a5b93277a
hex1819367140

103502213440 has 56 divisors (see below), whose sum is σ = 253125881352. Its totient is φ = 40281937920.

The previous prime is 103502213431. The next prime is 103502213489. The reversal of 103502213440 is 44312205301.

It can be written as a sum of positive squares in 4 ways, for example, as 63479810304 + 40022403136 = 251952^2 + 200056^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4359031 + ... + 4382710.

Almost surely, 2103502213440 is an apocalyptic number.

103502213440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103502213440 is an abundant number, since it is smaller than the sum of its proper divisors (149623667912).

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

103502213440 is an equidigital number, since it uses as much as digits as its factorization.

103502213440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8741795 (or 8741785 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 103502213440 its reverse (44312205301), we get a palindrome (147814418741).

The spelling of 103502213440 in words is "one hundred three billion, five hundred two million, two hundred thirteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 37 40 64 74 80 148 160 185 296 320 370 592 740 1184 1480 2368 2960 5920 11840 8741741 17483482 34966964 43708705 69933928 87417410 139867856 174834820 279735712 323444417 349669640 559471424 646888834 699339280 1293777668 1398678560 1617222085 2587555336 2797357120 3234444170 5175110672 6468888340 10350221344 12937776680 20700442688 25875553360 51751106720 103502213440