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100550050000 = 24553164871
BaseRepresentation
bin101110110100101000…
…0000000000011010000
3100121112111122202222221
41131221100000003100
53121411303100000
6114105252310424
710156503215551
oct1355120000320
9317474582887
10100550050000
1139708977884
12175a2012414
13963576990a
144c1c124328
15293768c61a
hex17694000d0

100550050000 has 120 divisors (see below), whose sum is σ = 251362911744. Its totient is φ = 38922000000.

The previous prime is 100550049983. The next prime is 100550050009. The reversal of 100550050000 is 50055001.

It is a super-2 number, since 2×1005500500002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100550050009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1517565 + ... + 1582435.

Almost surely, 2100550050000 is an apocalyptic number.

100550050000 is a gapful number since it is divisible by the number (10) 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 100550050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125681455872).

100550050000 is an abundant number, since it is smaller than the sum of its proper divisors (150812861744).

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

100550050000 is an frugal number, since it uses more digits than its factorization.

100550050000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64935 (or 64909 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 16.

The spelling of 100550050000 in words is "one hundred billion, five hundred fifty million, fifty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 31 40 50 62 80 100 124 125 155 200 248 250 310 400 496 500 620 625 775 1000 1240 1250 1550 2000 2480 2500 3100 3125 3875 5000 6200 6250 7750 10000 12400 12500 15500 19375 25000 31000 38750 50000 62000 64871 77500 96875 129742 155000 193750 259484 310000 324355 387500 518968 648710 775000 1037936 1297420 1550000 1621775 2011001 2594840 3243550 4022002 5189680 6487100 8044004 8108875 10055005 12974200 16088008 16217750 20110010 25948400 32176016 32435500 40220020 40544375 50275025 64871000 80440040 81088750 100550050 129742000 160880080 162177500 201100100 202721875 251375125 324355000 402200200 405443750 502750250 648710000 804400400 810887500 1005500500 1256875625 1621775000 2011001000 2513751250 3243550000 4022002000 5027502500 6284378125 10055005000 12568756250 20110010000 25137512500 50275025000 100550050000