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38126723190 = 23567113167863
BaseRepresentation
bin100011100000100001…
…111010000001110110
310122102010011012210220
4203200201322001312
51111040420120230
625303135555210
72516546541243
oct434041720166
9118363135726
1038126723190
11151955a5496
12748068bb06
133797c4734a
141bb989c5ca
15ed2306d10
hex8e087a076

38126723190 has 64 divisors (see below), whose sum is σ = 93692284416. Its totient is φ = 9926687232.

The previous prime is 38126723161. The next prime is 38126723227. The reversal of 38126723190 is 9132762183.

It is a super-2 number, since 2×381267231902 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143199 + ... + 311061.

It is an arithmetic number, because the mean of its divisors is an integer number (1463941944).

Almost surely, 238126723190 is an apocalyptic number.

38126723190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38126723190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46846142208).

38126723190 is an abundant number, since it is smaller than the sum of its proper divisors (55565561226).

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

38126723190 is a wasteful number, since it uses less digits than its factorization.

38126723190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168053.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 38126723190 in words is "thirty-eight billion, one hundred twenty-six million, seven hundred twenty-three thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 67 113 134 201 226 335 339 402 565 670 678 1005 1130 1695 2010 3390 7571 15142 22713 37855 45426 75710 113565 167863 227130 335726 503589 839315 1007178 1678630 2517945 5035890 11246821 18968519 22493642 33740463 37937038 56234105 56905557 67480926 94842595 112468210 113811114 168702315 189685190 284527785 337404630 569055570 1270890773 2541781546 3812672319 6354453865 7625344638 12708907730 19063361595 38126723190