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1388633022292 = 228913949956237
BaseRepresentation
bin10100001101010000111…
…110100101111101010100
311220202022020000111110111
4110031100332211331110
5140222410023203132
62541532412532404
7202216422636235
oct24152076457524
94822266014414
101388633022292
11495a0915973a
121a5162481104
13a0c41960769
144b2d2acd08c
15261c5281647
hex14350fa5f54

1388633022292 has 48 divisors (see below), whose sum is σ = 2480095800000. Its totient is φ = 680198264064.

The previous prime is 1388633022289. The next prime is 1388633022299. The reversal of 1388633022292 is 2922203368831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388633022299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24664398 + ... + 24720634.

It is an arithmetic number, because the mean of its divisors is an integer number (51668662500).

Almost surely, 21388633022292 is an apocalyptic number.

It is an amenable number.

1388633022292 is a deficient number, since it is larger than the sum of its proper divisors (1091462777708).

1388633022292 is a wasteful number, since it uses less digits than its factorization.

1388633022292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56968 (or 56966 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 1388633022292 in words is "one trillion, three hundred eighty-eight billion, six hundred thirty-three million, twenty-two thousand, two hundred ninety-two".

Divisors: 1 2 4 89 139 178 278 356 499 556 998 1996 12371 24742 44411 49484 56237 69361 88822 112474 138722 177644 224948 277444 5005093 6173129 7816943 10010186 12346258 15633886 20020372 24692516 28062263 31267772 56124526 112249052 695707927 1391415854 2497541407 2782831708 3900654557 4995082814 7801309114 9990165628 15602618228 347158255573 694316511146 1388633022292